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Finding the Fourth Proportional to 61,686.40, 92,532.89 and 19,569.85

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Solution

The fourth proportional to 61,686.40, 92,532.89 and 19,569.85 is: 29,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.40 : 92,532.89 = 19,569.85 : x
  2. Step 2: Convert to fraction form
    61,686.40/92,532.89 = 19,569.85/x
  3. Step 3: Cross multiply
    61,686.40x = 92,532.89 × 19,569.85
  4. Step 4: Simplify right side
    61,686.40x = 1,810,854,594.96
  5. Step 5: Solve for x
    x = 1,810,854,594.96/61,686.40
  6. Step 6: Final answer
    x = 29,355.82

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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.