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Finding the Fourth Proportional to 22,677.92, 31,295.92 and 13,246.88

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Solution

The fourth proportional to 22,677.92, 31,295.92 and 13,246.88 is: 18,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.92 : 31,295.92 = 13,246.88 : x
  2. Step 2: Convert to fraction form
    22,677.92/31,295.92 = 13,246.88/x
  3. Step 3: Cross multiply
    22,677.92x = 31,295.92 × 13,246.88
  4. Step 4: Simplify right side
    22,677.92x = 414,573,296.73
  5. Step 5: Solve for x
    x = 414,573,296.73/22,677.92
  6. Step 6: Final answer
    x = 18,280.92

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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.