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Finding the Fourth Proportional to 54,231.52, 74,800.92 and 49,769.68

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Solution

The fourth proportional to 54,231.52, 74,800.92 and 49,769.68 is: 68,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.52 : 74,800.92 = 49,769.68 : x
  2. Step 2: Convert to fraction form
    54,231.52/74,800.92 = 49,769.68/x
  3. Step 3: Cross multiply
    54,231.52x = 74,800.92 × 49,769.68
  4. Step 4: Simplify right side
    54,231.52x = 3,722,817,852.11
  5. Step 5: Solve for x
    x = 3,722,817,852.11/54,231.52
  6. Step 6: Final answer
    x = 68,646.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.