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Finding the Fourth Proportional to 36,239.13, 54,357.68 and 9,943.90

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Solution

The fourth proportional to 36,239.13, 54,357.68 and 9,943.90 is: 14,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.13 : 54,357.68 = 9,943.90 : x
  2. Step 2: Convert to fraction form
    36,239.13/54,357.68 = 9,943.90/x
  3. Step 3: Cross multiply
    36,239.13x = 54,357.68 × 9,943.90
  4. Step 4: Simplify right side
    36,239.13x = 540,527,223.12
  5. Step 5: Solve for x
    x = 540,527,223.12/36,239.13
  6. Step 6: Final answer
    x = 14,915.57

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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.