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Finding the Fourth Proportional to 69,866.74, 96,418.11 and 38,036.17

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Solution

The fourth proportional to 69,866.74, 96,418.11 and 38,036.17 is: 52,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.74 : 96,418.11 = 38,036.17 : x
  2. Step 2: Convert to fraction form
    69,866.74/96,418.11 = 38,036.17/x
  3. Step 3: Cross multiply
    69,866.74x = 96,418.11 × 38,036.17
  4. Step 4: Simplify right side
    69,866.74x = 3,667,375,623.04
  5. Step 5: Solve for x
    x = 3,667,375,623.04/69,866.74
  6. Step 6: Final answer
    x = 52,491.01

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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.