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Finding the Fourth Proportional to 61,296.54, 91,898.07 and 31,695.49

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Solution

The fourth proportional to 61,296.54, 91,898.07 and 31,695.49 is: 47,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,296.54 : 91,898.07 = 31,695.49 : x
  2. Step 2: Convert to fraction form
    61,296.54/91,898.07 = 31,695.49/x
  3. Step 3: Cross multiply
    61,296.54x = 91,898.07 × 31,695.49
  4. Step 4: Simplify right side
    61,296.54x = 2,912,754,358.70
  5. Step 5: Solve for x
    x = 2,912,754,358.70/61,296.54
  6. Step 6: Final answer
    x = 47,519.07

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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.