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Finding the Fourth Proportional to 64,306.96, 88,738.68 and 36,008.80

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Solution

The fourth proportional to 64,306.96, 88,738.68 and 36,008.80 is: 49,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.96 : 88,738.68 = 36,008.80 : x
  2. Step 2: Convert to fraction form
    64,306.96/88,738.68 = 36,008.80/x
  3. Step 3: Cross multiply
    64,306.96x = 88,738.68 × 36,008.80
  4. Step 4: Simplify right side
    64,306.96x = 3,195,373,380.38
  5. Step 5: Solve for x
    x = 3,195,373,380.38/64,306.96
  6. Step 6: Final answer
    x = 49,689.39

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1.5x scale

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.