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Finding the Fourth Proportional to 62,849.16, 86,728.56 and 34,555.80

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Solution

The fourth proportional to 62,849.16, 86,728.56 and 34,555.80 is: 47,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,849.16 : 86,728.56 = 34,555.80 : x
  2. Step 2: Convert to fraction form
    62,849.16/86,728.56 = 34,555.80/x
  3. Step 3: Cross multiply
    62,849.16x = 86,728.56 × 34,555.80
  4. Step 4: Simplify right side
    62,849.16x = 2,996,974,773.65
  5. Step 5: Solve for x
    x = 2,996,974,773.65/62,849.16
  6. Step 6: Final answer
    x = 47,685.20

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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.