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Finding the Fourth Proportional to 60,533.61, 90,780.85 and 22,059.61

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Solution

The fourth proportional to 60,533.61, 90,780.85 and 22,059.61 is: 33,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,533.61 : 90,780.85 = 22,059.61 : x
  2. Step 2: Convert to fraction form
    60,533.61/90,780.85 = 22,059.61/x
  3. Step 3: Cross multiply
    60,533.61x = 90,780.85 × 22,059.61
  4. Step 4: Simplify right side
    60,533.61x = 2,002,590,146.47
  5. Step 5: Solve for x
    x = 2,002,590,146.47/60,533.61
  6. Step 6: Final answer
    x = 33,082.29

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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.