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Finding the Fourth Proportional to 36,440.76, 50,282.70 and 20,524.20

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Solution

The fourth proportional to 36,440.76, 50,282.70 and 20,524.20 is: 28,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.76 : 50,282.70 = 20,524.20 : x
  2. Step 2: Convert to fraction form
    36,440.76/50,282.70 = 20,524.20/x
  3. Step 3: Cross multiply
    36,440.76x = 50,282.70 × 20,524.20
  4. Step 4: Simplify right side
    36,440.76x = 1,032,012,191.34
  5. Step 5: Solve for x
    x = 1,032,012,191.34/36,440.76
  6. Step 6: Final answer
    x = 28,320.27

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Half scale
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Double scale
Find fourth proportional to 36,441.76, 50,284.08 and 20,525.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.