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Finding the Fourth Proportional to 62,951.52, 86,869.80 and 34,651.68

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Solution

The fourth proportional to 62,951.52, 86,869.80 and 34,651.68 is: 47,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,951.52 : 86,869.80 = 34,651.68 : x
  2. Step 2: Convert to fraction form
    62,951.52/86,869.80 = 34,651.68/x
  3. Step 3: Cross multiply
    62,951.52x = 86,869.80 × 34,651.68
  4. Step 4: Simplify right side
    62,951.52x = 3,010,184,511.26
  5. Step 5: Solve for x
    x = 3,010,184,511.26/62,951.52
  6. Step 6: Final answer
    x = 47,817.50

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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.