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Finding the Fourth Proportional to 13,614.01, 18,787.27 and 7,952.65

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Solution

The fourth proportional to 13,614.01, 18,787.27 and 7,952.65 is: 10,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.01 : 18,787.27 = 7,952.65 : x
  2. Step 2: Convert to fraction form
    13,614.01/18,787.27 = 7,952.65/x
  3. Step 3: Cross multiply
    13,614.01x = 18,787.27 × 7,952.65
  4. Step 4: Simplify right side
    13,614.01x = 149,408,582.77
  5. Step 5: Solve for x
    x = 149,408,582.77/13,614.01
  6. Step 6: Final answer
    x = 10,974.62

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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.