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Finding the Fourth Proportional to 59,769.51, 82,454.22 and 38,555.61

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Solution

The fourth proportional to 59,769.51, 82,454.22 and 38,555.61 is: 53,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,769.51 : 82,454.22 = 38,555.61 : x
  2. Step 2: Convert to fraction form
    59,769.51/82,454.22 = 38,555.61/x
  3. Step 3: Cross multiply
    59,769.51x = 82,454.22 × 38,555.61
  4. Step 4: Simplify right side
    59,769.51x = 3,179,072,749.17
  5. Step 5: Solve for x
    x = 3,179,072,749.17/59,769.51
  6. Step 6: Final answer
    x = 53,188.87

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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.