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Finding the Fourth Proportional to 36,892.59, 55,306.01 and 13,513.56

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Solution

The fourth proportional to 36,892.59, 55,306.01 and 13,513.56 is: 20,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.59 : 55,306.01 = 13,513.56 : x
  2. Step 2: Convert to fraction form
    36,892.59/55,306.01 = 13,513.56/x
  3. Step 3: Cross multiply
    36,892.59x = 55,306.01 × 13,513.56
  4. Step 4: Simplify right side
    36,892.59x = 747,381,084.50
  5. Step 5: Solve for x
    x = 747,381,084.50/36,892.59
  6. Step 6: Final answer
    x = 20,258.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.