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Finding the Fourth Proportional to 62,986.72, 94,478.56 and 25,536.76

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Solution

The fourth proportional to 62,986.72, 94,478.56 and 25,536.76 is: 38,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.72 : 94,478.56 = 25,536.76 : x
  2. Step 2: Convert to fraction form
    62,986.72/94,478.56 = 25,536.76/x
  3. Step 3: Cross multiply
    62,986.72x = 94,478.56 × 25,536.76
  4. Step 4: Simplify right side
    62,986.72x = 2,412,676,311.87
  5. Step 5: Solve for x
    x = 2,412,676,311.87/62,986.72
  6. Step 6: Final answer
    x = 38,304.52

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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.