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Finding the Fourth Proportional to 17,618.87, 24,314.01 and 9,660.92

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Solution

The fourth proportional to 17,618.87, 24,314.01 and 9,660.92 is: 13,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.87 : 24,314.01 = 9,660.92 : x
  2. Step 2: Convert to fraction form
    17,618.87/24,314.01 = 9,660.92/x
  3. Step 3: Cross multiply
    17,618.87x = 24,314.01 × 9,660.92
  4. Step 4: Simplify right side
    17,618.87x = 234,895,583.92
  5. Step 5: Solve for x
    x = 234,895,583.92/17,618.87
  6. Step 6: Final answer
    x = 13,332.05

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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.