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Finding the Fourth Proportional to 32,691.87, 49,035.07 and 12,965.13

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Solution

The fourth proportional to 32,691.87, 49,035.07 and 12,965.13 is: 19,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.87 : 49,035.07 = 12,965.13 : x
  2. Step 2: Convert to fraction form
    32,691.87/49,035.07 = 12,965.13/x
  3. Step 3: Cross multiply
    32,691.87x = 49,035.07 × 12,965.13
  4. Step 4: Simplify right side
    32,691.87x = 635,746,073.32
  5. Step 5: Solve for x
    x = 635,746,073.32/32,691.87
  6. Step 6: Final answer
    x = 19,446.61

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1.5x scale

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.