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Finding the Fourth Proportional to 36,415.98, 50,256.18 and 20,501.10

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Solution

The fourth proportional to 36,415.98, 50,256.18 and 20,501.10 is: 28,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.98 : 50,256.18 = 20,501.10 : x
  2. Step 2: Convert to fraction form
    36,415.98/50,256.18 = 20,501.10/x
  3. Step 3: Cross multiply
    36,415.98x = 50,256.18 × 20,501.10
  4. Step 4: Simplify right side
    36,415.98x = 1,030,306,971.80
  5. Step 5: Solve for x
    x = 1,030,306,971.80/36,415.98
  6. Step 6: Final answer
    x = 28,292.72

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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.