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Finding the Fourth Proportional to 57,462.15, 86,193.23 and 18,019.20

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Solution

The fourth proportional to 57,462.15, 86,193.23 and 18,019.20 is: 27,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462.15 : 86,193.23 = 18,019.20 : x
  2. Step 2: Convert to fraction form
    57,462.15/86,193.23 = 18,019.20/x
  3. Step 3: Cross multiply
    57,462.15x = 86,193.23 × 18,019.20
  4. Step 4: Simplify right side
    57,462.15x = 1,553,132,959.92
  5. Step 5: Solve for x
    x = 1,553,132,959.92/57,462.15
  6. Step 6: Final answer
    x = 27,028.80

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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.