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Finding the Fourth Proportional to 64,410.70, 96,545.12 and 48,564.92

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Solution

The fourth proportional to 64,410.70, 96,545.12 and 48,564.92 is: 72,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,410.70 : 96,545.12 = 48,564.92 : x
  2. Step 2: Convert to fraction form
    64,410.70/96,545.12 = 48,564.92/x
  3. Step 3: Cross multiply
    64,410.70x = 96,545.12 × 48,564.92
  4. Step 4: Simplify right side
    64,410.70x = 4,688,705,713.77
  5. Step 5: Solve for x
    x = 4,688,705,713.77/64,410.70
  6. Step 6: Final answer
    x = 72,793.90

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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.