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Finding the Fourth Proportional to 60,915.56, 91,362.86 and 16,545.89

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Solution

The fourth proportional to 60,915.56, 91,362.86 and 16,545.89 is: 24,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.56 : 91,362.86 = 16,545.89 : x
  2. Step 2: Convert to fraction form
    60,915.56/91,362.86 = 16,545.89/x
  3. Step 3: Cross multiply
    60,915.56x = 91,362.86 × 16,545.89
  4. Step 4: Simplify right side
    60,915.56x = 1,511,679,292.10
  5. Step 5: Solve for x
    x = 1,511,679,292.10/60,915.56
  6. Step 6: Final answer
    x = 24,815.98

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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.