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Finding the Fourth Proportional to 61,045.47, 91,599.46 and 29,060.74

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Solution

The fourth proportional to 61,045.47, 91,599.46 and 29,060.74 is: 43,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,045.47 : 91,599.46 = 29,060.74 : x
  2. Step 2: Convert to fraction form
    61,045.47/91,599.46 = 29,060.74/x
  3. Step 3: Cross multiply
    61,045.47x = 91,599.46 × 29,060.74
  4. Step 4: Simplify right side
    61,045.47x = 2,661,947,789.55
  5. Step 5: Solve for x
    x = 2,661,947,789.55/61,045.47
  6. Step 6: Final answer
    x = 43,605.98

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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.