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Finding the Fourth Proportional to 62,589.60, 93,711.60 and 48,765.60

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Solution

The fourth proportional to 62,589.60, 93,711.60 and 48,765.60 is: 73,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,589.60 : 93,711.60 = 48,765.60 : x
  2. Step 2: Convert to fraction form
    62,589.60/93,711.60 = 48,765.60/x
  3. Step 3: Cross multiply
    62,589.60x = 93,711.60 × 48,765.60
  4. Step 4: Simplify right side
    62,589.60x = 4,569,902,400.96
  5. Step 5: Solve for x
    x = 4,569,902,400.96/62,589.60
  6. Step 6: Final answer
    x = 73,013.77

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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.