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Finding the Fourth Proportional to 22,996.31, 31,734.99 and 12,925.17

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Solution

The fourth proportional to 22,996.31, 31,734.99 and 12,925.17 is: 17,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.31 : 31,734.99 = 12,925.17 : x
  2. Step 2: Convert to fraction form
    22,996.31/31,734.99 = 12,925.17/x
  3. Step 3: Cross multiply
    22,996.31x = 31,734.99 × 12,925.17
  4. Step 4: Simplify right side
    22,996.31x = 410,180,140.70
  5. Step 5: Solve for x
    x = 410,180,140.70/22,996.31
  6. Step 6: Final answer
    x = 17,836.78

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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.