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Finding the Fourth Proportional to 18,116.92, 27,123.06 and 10,597.69

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Solution

The fourth proportional to 18,116.92, 27,123.06 and 10,597.69 is: 15,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.92 : 27,123.06 = 10,597.69 : x
  2. Step 2: Convert to fraction form
    18,116.92/27,123.06 = 10,597.69/x
  3. Step 3: Cross multiply
    18,116.92x = 27,123.06 × 10,597.69
  4. Step 4: Simplify right side
    18,116.92x = 287,441,781.73
  5. Step 5: Solve for x
    x = 287,441,781.73/18,116.92
  6. Step 6: Final answer
    x = 15,865.93

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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.