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Finding the Fourth Proportional to 64,373.54, 88,834.12 and 36,078.62

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Solution

The fourth proportional to 64,373.54, 88,834.12 and 36,078.62 is: 49,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,373.54 : 88,834.12 = 36,078.62 : x
  2. Step 2: Convert to fraction form
    64,373.54/88,834.12 = 36,078.62/x
  3. Step 3: Cross multiply
    64,373.54x = 88,834.12 × 36,078.62
  4. Step 4: Simplify right side
    64,373.54x = 3,205,011,924.15
  5. Step 5: Solve for x
    x = 3,205,011,924.15/64,373.54
  6. Step 6: Final answer
    x = 49,787.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.