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Finding the Fourth Proportional to 69,764.92, 96,273.50 and 39,553.00

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Solution

The fourth proportional to 69,764.92, 96,273.50 and 39,553.00 is: 54,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764.92 : 96,273.50 = 39,553.00 : x
  2. Step 2: Convert to fraction form
    69,764.92/96,273.50 = 39,553.00/x
  3. Step 3: Cross multiply
    69,764.92x = 96,273.50 × 39,553.00
  4. Step 4: Simplify right side
    69,764.92x = 3,807,905,307.05
  5. Step 5: Solve for x
    x = 3,807,905,307.05/69,764.92
  6. Step 6: Final answer
    x = 54,581.95

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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.