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Finding the Fourth Proportional to 61,472.52, 84,842.70 and 35,627.46

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Solution

The fourth proportional to 61,472.52, 84,842.70 and 35,627.46 is: 49,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,472.52 : 84,842.70 = 35,627.46 : x
  2. Step 2: Convert to fraction form
    61,472.52/84,842.70 = 35,627.46/x
  3. Step 3: Cross multiply
    61,472.52x = 84,842.70 × 35,627.46
  4. Step 4: Simplify right side
    61,472.52x = 3,022,729,900.54
  5. Step 5: Solve for x
    x = 3,022,729,900.54/61,472.52
  6. Step 6: Final answer
    x = 49,172.05

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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.