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Finding the Fourth Proportional to 62,401.84, 86,115.18 and 34,108

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Solution

The fourth proportional to 62,401.84, 86,115.18 and 34,108 is: 47,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.84 : 86,115.18 = 34,108 : x
  2. Step 2: Convert to fraction form
    62,401.84/86,115.18 = 34,108/x
  3. Step 3: Cross multiply
    62,401.84x = 86,115.18 × 34,108
  4. Step 4: Simplify right side
    62,401.84x = 2,937,216,559.44
  5. Step 5: Solve for x
    x = 2,937,216,559.44/62,401.84
  6. Step 6: Final answer
    x = 47,069.39

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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.