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Finding the Fourth Proportional to 29,098.65, 40,155.07 and 17,787.09

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Solution

The fourth proportional to 29,098.65, 40,155.07 and 17,787.09 is: 24,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,098.65 : 40,155.07 = 17,787.09 : x
  2. Step 2: Convert to fraction form
    29,098.65/40,155.07 = 17,787.09/x
  3. Step 3: Cross multiply
    29,098.65x = 40,155.07 × 17,787.09
  4. Step 4: Simplify right side
    29,098.65x = 714,241,844.05
  5. Step 5: Solve for x
    x = 714,241,844.05/29,098.65
  6. Step 6: Final answer
    x = 24,545.53

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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.