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Finding the Fourth Proportional to 60,134.54, 90,215.13 and 18,012.92

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Solution

The fourth proportional to 60,134.54, 90,215.13 and 18,012.92 is: 27,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.54 : 90,215.13 = 18,012.92 : x
  2. Step 2: Convert to fraction form
    60,134.54/90,215.13 = 18,012.92/x
  3. Step 3: Cross multiply
    60,134.54x = 90,215.13 × 18,012.92
  4. Step 4: Simplify right side
    60,134.54x = 1,625,037,919.48
  5. Step 5: Solve for x
    x = 1,625,037,919.48/60,134.54
  6. Step 6: Final answer
    x = 27,023.37

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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.