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Finding the Fourth Proportional to 69,182.90, 103,788.92 and 22,432.13

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Solution

The fourth proportional to 69,182.90, 103,788.92 and 22,432.13 is: 33,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.90 : 103,788.92 = 22,432.13 : x
  2. Step 2: Convert to fraction form
    69,182.90/103,788.92 = 22,432.13/x
  3. Step 3: Cross multiply
    69,182.90x = 103,788.92 × 22,432.13
  4. Step 4: Simplify right side
    69,182.90x = 2,328,206,083.14
  5. Step 5: Solve for x
    x = 2,328,206,083.14/69,182.90
  6. Step 6: Final answer
    x = 33,652.91

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1.5x scale

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.