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Finding the Fourth Proportional to 64,411.70, 96,546.61 and 48,565.92

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Solution

The fourth proportional to 64,411.70, 96,546.61 and 48,565.92 is: 72,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,411.70 : 96,546.61 = 48,565.92 : x
  2. Step 2: Convert to fraction form
    64,411.70/96,546.61 = 48,565.92/x
  3. Step 3: Cross multiply
    64,411.70x = 96,546.61 × 48,565.92
  4. Step 4: Simplify right side
    64,411.70x = 4,688,874,937.53
  5. Step 5: Solve for x
    x = 4,688,874,937.53/64,411.70
  6. Step 6: Final answer
    x = 72,795.39

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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.