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Finding the Fourth Proportional to 56,614.21, 84,921.22 and 15,061.21

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Solution

The fourth proportional to 56,614.21, 84,921.22 and 15,061.21 is: 22,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.21 : 84,921.22 = 15,061.21 : x
  2. Step 2: Convert to fraction form
    56,614.21/84,921.22 = 15,061.21/x
  3. Step 3: Cross multiply
    56,614.21x = 84,921.22 × 15,061.21
  4. Step 4: Simplify right side
    56,614.21x = 1,279,016,252.57
  5. Step 5: Solve for x
    x = 1,279,016,252.57/56,614.21
  6. Step 6: Final answer
    x = 22,591.79

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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.