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Finding the Fourth Proportional to 60,490.73, 90,470.82 and 53,873.91

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Solution

The fourth proportional to 60,490.73, 90,470.82 and 53,873.91 is: 80,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.73 : 90,470.82 = 53,873.91 : x
  2. Step 2: Convert to fraction form
    60,490.73/90,470.82 = 53,873.91/x
  3. Step 3: Cross multiply
    60,490.73x = 90,470.82 × 53,873.91
  4. Step 4: Simplify right side
    60,490.73x = 4,874,017,016.33
  5. Step 5: Solve for x
    x = 4,874,017,016.33/60,490.73
  6. Step 6: Final answer
    x = 80,574.61

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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.