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Finding the Fourth Proportional to 69,371.71, 103,993.88 and 24,987.69

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Solution

The fourth proportional to 69,371.71, 103,993.88 and 24,987.69 is: 37,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.71 : 103,993.88 = 24,987.69 : x
  2. Step 2: Convert to fraction form
    69,371.71/103,993.88 = 24,987.69/x
  3. Step 3: Cross multiply
    69,371.71x = 103,993.88 × 24,987.69
  4. Step 4: Simplify right side
    69,371.71x = 2,598,566,710.40
  5. Step 5: Solve for x
    x = 2,598,566,710.40/69,371.71
  6. Step 6: Final answer
    x = 37,458.60

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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.