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Finding the Fourth Proportional to 62,898.63, 86,800.10 and 34,603.71

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Solution

The fourth proportional to 62,898.63, 86,800.10 and 34,603.71 is: 47,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.63 : 86,800.10 = 34,603.71 : x
  2. Step 2: Convert to fraction form
    62,898.63/86,800.10 = 34,603.71/x
  3. Step 3: Cross multiply
    62,898.63x = 86,800.10 × 34,603.71
  4. Step 4: Simplify right side
    62,898.63x = 3,003,605,488.37
  5. Step 5: Solve for x
    x = 3,003,605,488.37/62,898.63
  6. Step 6: Final answer
    x = 47,753.11

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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.