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Finding the Fourth Proportional to 64,393.53, 88,862.72 and 36,098.61

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Solution

The fourth proportional to 64,393.53, 88,862.72 and 36,098.61 is: 49,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.53 : 88,862.72 = 36,098.61 : x
  2. Step 2: Convert to fraction form
    64,393.53/88,862.72 = 36,098.61/x
  3. Step 3: Cross multiply
    64,393.53x = 88,862.72 × 36,098.61
  4. Step 4: Simplify right side
    64,393.53x = 3,207,820,492.33
  5. Step 5: Solve for x
    x = 3,207,820,492.33/64,393.53
  6. Step 6: Final answer
    x = 49,815.88

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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.