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Finding the Fourth Proportional to 17,635.68, 24,337.92 and 9,678.12

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Solution

The fourth proportional to 17,635.68, 24,337.92 and 9,678.12 is: 13,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,635.68 : 24,337.92 = 9,678.12 : x
  2. Step 2: Convert to fraction form
    17,635.68/24,337.92 = 9,678.12/x
  3. Step 3: Cross multiply
    17,635.68x = 24,337.92 × 9,678.12
  4. Step 4: Simplify right side
    17,635.68x = 235,545,310.31
  5. Step 5: Solve for x
    x = 235,545,310.31/17,635.68
  6. Step 6: Final answer
    x = 13,356.18

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Half scale
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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.