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Finding the Fourth Proportional to 61,747.80, 92,620.89 and 15,000.54

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Solution

The fourth proportional to 61,747.80, 92,620.89 and 15,000.54 is: 22,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.80 : 92,620.89 = 15,000.54 : x
  2. Step 2: Convert to fraction form
    61,747.80/92,620.89 = 15,000.54/x
  3. Step 3: Cross multiply
    61,747.80x = 92,620.89 × 15,000.54
  4. Step 4: Simplify right side
    61,747.80x = 1,389,363,365.28
  5. Step 5: Solve for x
    x = 1,389,363,365.28/61,747.80
  6. Step 6: Final answer
    x = 22,500.61

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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.