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Finding the Fourth Proportional to 60,624.68, 90,939.44 and 31,034.56

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Solution

The fourth proportional to 60,624.68, 90,939.44 and 31,034.56 is: 46,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,624.68 : 90,939.44 = 31,034.56 : x
  2. Step 2: Convert to fraction form
    60,624.68/90,939.44 = 31,034.56/x
  3. Step 3: Cross multiply
    60,624.68x = 90,939.44 × 31,034.56
  4. Step 4: Simplify right side
    60,624.68x = 2,822,265,507.05
  5. Step 5: Solve for x
    x = 2,822,265,507.05/60,624.68
  6. Step 6: Final answer
    x = 46,553.08

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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.