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Finding the Fourth Proportional to 64,462.38, 88,957.68 and 36,168

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Solution

The fourth proportional to 64,462.38, 88,957.68 and 36,168 is: 49,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.38 : 88,957.68 = 36,168 : x
  2. Step 2: Convert to fraction form
    64,462.38/88,957.68 = 36,168/x
  3. Step 3: Cross multiply
    64,462.38x = 88,957.68 × 36,168
  4. Step 4: Simplify right side
    64,462.38x = 3,217,421,370.24
  5. Step 5: Solve for x
    x = 3,217,421,370.24/64,462.38
  6. Step 6: Final answer
    x = 49,911.61

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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.