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Finding the Fourth Proportional to 36,592.71, 54,892.74 and 9,939.11

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Solution

The fourth proportional to 36,592.71, 54,892.74 and 9,939.11 is: 14,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,592.71 : 54,892.74 = 9,939.11 : x
  2. Step 2: Convert to fraction form
    36,592.71/54,892.74 = 9,939.11/x
  3. Step 3: Cross multiply
    36,592.71x = 54,892.74 × 9,939.11
  4. Step 4: Simplify right side
    36,592.71x = 545,584,687.96
  5. Step 5: Solve for x
    x = 545,584,687.96/36,592.71
  6. Step 6: Final answer
    x = 14,909.65

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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.