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Finding the Fourth Proportional to 61,198.97, 91,802.88 and 25,624.50

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Solution

The fourth proportional to 61,198.97, 91,802.88 and 25,624.50 is: 38,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.97 : 91,802.88 = 25,624.50 : x
  2. Step 2: Convert to fraction form
    61,198.97/91,802.88 = 25,624.50/x
  3. Step 3: Cross multiply
    61,198.97x = 91,802.88 × 25,624.50
  4. Step 4: Simplify right side
    61,198.97x = 2,352,402,898.56
  5. Step 5: Solve for x
    x = 2,352,402,898.56/61,198.97
  6. Step 6: Final answer
    x = 38,438.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.