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Finding the Fourth Proportional to 60,147.92, 90,189.24 and 18,022.16

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Solution

The fourth proportional to 60,147.92, 90,189.24 and 18,022.16 is: 27,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,147.92 : 90,189.24 = 18,022.16 : x
  2. Step 2: Convert to fraction form
    60,147.92/90,189.24 = 18,022.16/x
  3. Step 3: Cross multiply
    60,147.92x = 90,189.24 × 18,022.16
  4. Step 4: Simplify right side
    60,147.92x = 1,625,404,913.56
  5. Step 5: Solve for x
    x = 1,625,404,913.56/60,147.92
  6. Step 6: Final answer
    x = 27,023.46

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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.