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Finding the Fourth Proportional to 62,894, 86,791.98 and 34,599.68

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Solution

The fourth proportional to 62,894, 86,791.98 and 34,599.68 is: 47,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894 : 86,791.98 = 34,599.68 : x
  2. Step 2: Convert to fraction form
    62,894/86,791.98 = 34,599.68/x
  3. Step 3: Cross multiply
    62,894x = 86,791.98 × 34,599.68
  4. Step 4: Simplify right side
    62,894x = 3,002,974,734.57
  5. Step 5: Solve for x
    x = 3,002,974,734.57/62,894
  6. Step 6: Final answer
    x = 47,746.60

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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.