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Finding the Fourth Proportional to 60,481.47, 90,724.23 and 46,462.80

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Solution

The fourth proportional to 60,481.47, 90,724.23 and 46,462.80 is: 69,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.47 : 90,724.23 = 46,462.80 : x
  2. Step 2: Convert to fraction form
    60,481.47/90,724.23 = 46,462.80/x
  3. Step 3: Cross multiply
    60,481.47x = 90,724.23 × 46,462.80
  4. Step 4: Simplify right side
    60,481.47x = 4,215,301,753.64
  5. Step 5: Solve for x
    x = 4,215,301,753.64/60,481.47
  6. Step 6: Final answer
    x = 69,695.76

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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.