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Finding the Fourth Proportional to 62,898.38, 86,799.76 and 34,603.46

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Solution

The fourth proportional to 62,898.38, 86,799.76 and 34,603.46 is: 47,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.38 : 86,799.76 = 34,603.46 : x
  2. Step 2: Convert to fraction form
    62,898.38/86,799.76 = 34,603.46/x
  3. Step 3: Cross multiply
    62,898.38x = 86,799.76 × 34,603.46
  4. Step 4: Simplify right side
    62,898.38x = 3,003,571,502.66
  5. Step 5: Solve for x
    x = 3,003,571,502.66/62,898.38
  6. Step 6: Final answer
    x = 47,752.77

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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.