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Finding the Fourth Proportional to 60,721.02, 83,794.14 and 35,225.46

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Solution

The fourth proportional to 60,721.02, 83,794.14 and 35,225.46 is: 48,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.02 : 83,794.14 = 35,225.46 : x
  2. Step 2: Convert to fraction form
    60,721.02/83,794.14 = 35,225.46/x
  3. Step 3: Cross multiply
    60,721.02x = 83,794.14 × 35,225.46
  4. Step 4: Simplify right side
    60,721.02x = 2,951,687,126.80
  5. Step 5: Solve for x
    x = 2,951,687,126.80/60,721.02
  6. Step 6: Final answer
    x = 48,610.63

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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.