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Finding the Fourth Proportional to 62,480.84, 86,223.56 and 34,186.53

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Solution

The fourth proportional to 62,480.84, 86,223.56 and 34,186.53 is: 47,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,480.84 : 86,223.56 = 34,186.53 : x
  2. Step 2: Convert to fraction form
    62,480.84/86,223.56 = 34,186.53/x
  3. Step 3: Cross multiply
    62,480.84x = 86,223.56 × 34,186.53
  4. Step 4: Simplify right side
    62,480.84x = 2,947,684,320.65
  5. Step 5: Solve for x
    x = 2,947,684,320.65/62,480.84
  6. Step 6: Final answer
    x = 47,177.41

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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.