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Finding the Fourth Proportional to 22,229.92, 33,307.92 and 15,642.28

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Solution

The fourth proportional to 22,229.92, 33,307.92 and 15,642.28 is: 23,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.92 : 33,307.92 = 15,642.28 : x
  2. Step 2: Convert to fraction form
    22,229.92/33,307.92 = 15,642.28/x
  3. Step 3: Cross multiply
    22,229.92x = 33,307.92 × 15,642.28
  4. Step 4: Simplify right side
    22,229.92x = 521,011,810.86
  5. Step 5: Solve for x
    x = 521,011,810.86/22,229.92
  6. Step 6: Final answer
    x = 23,437.41

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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.