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Finding the Fourth Proportional to 57,463.74, 86,195.46 and 18,020.79

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Solution

The fourth proportional to 57,463.74, 86,195.46 and 18,020.79 is: 27,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,463.74 : 86,195.46 = 18,020.79 : x
  2. Step 2: Convert to fraction form
    57,463.74/86,195.46 = 18,020.79/x
  3. Step 3: Cross multiply
    57,463.74x = 86,195.46 × 18,020.79
  4. Step 4: Simplify right side
    57,463.74x = 1,553,310,283.61
  5. Step 5: Solve for x
    x = 1,553,310,283.61/57,463.74
  6. Step 6: Final answer
    x = 27,031.14

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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.