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Finding the Fourth Proportional to 36,841.76, 50,840.04 and 20,926.16

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Solution

The fourth proportional to 36,841.76, 50,840.04 and 20,926.16 is: 28,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.76 : 50,840.04 = 20,926.16 : x
  2. Step 2: Convert to fraction form
    36,841.76/50,840.04 = 20,926.16/x
  3. Step 3: Cross multiply
    36,841.76x = 50,840.04 × 20,926.16
  4. Step 4: Simplify right side
    36,841.76x = 1,063,886,811.45
  5. Step 5: Solve for x
    x = 1,063,886,811.45/36,841.76
  6. Step 6: Final answer
    x = 28,877.20

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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.