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Finding the Fourth Proportional to 74,069.52, 111,115.80 and 24,810

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Solution

The fourth proportional to 74,069.52, 111,115.80 and 24,810 is: 37,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069.52 : 111,115.80 = 24,810 : x
  2. Step 2: Convert to fraction form
    74,069.52/111,115.80 = 24,810/x
  3. Step 3: Cross multiply
    74,069.52x = 111,115.80 × 24,810
  4. Step 4: Simplify right side
    74,069.52x = 2,756,782,998
  5. Step 5: Solve for x
    x = 2,756,782,998/74,069.52
  6. Step 6: Final answer
    x = 37,218.86

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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.