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Finding the Fourth Proportional to 64,539.92, 96,737.32 and 32,861.06

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Solution

The fourth proportional to 64,539.92, 96,737.32 and 32,861.06 is: 49,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.92 : 96,737.32 = 32,861.06 : x
  2. Step 2: Convert to fraction form
    64,539.92/96,737.32 = 32,861.06/x
  3. Step 3: Cross multiply
    64,539.92x = 96,737.32 × 32,861.06
  4. Step 4: Simplify right side
    64,539.92x = 3,178,890,876.76
  5. Step 5: Solve for x
    x = 3,178,890,876.76/64,539.92
  6. Step 6: Final answer
    x = 49,254.65

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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.