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Finding the Fourth Proportional to 15,010.90, 22,532.55 and 8,449.90

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Solution

The fourth proportional to 15,010.90, 22,532.55 and 8,449.90 is: 12,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.90 : 22,532.55 = 8,449.90 : x
  2. Step 2: Convert to fraction form
    15,010.90/22,532.55 = 8,449.90/x
  3. Step 3: Cross multiply
    15,010.90x = 22,532.55 × 8,449.90
  4. Step 4: Simplify right side
    15,010.90x = 190,397,794.25
  5. Step 5: Solve for x
    x = 190,397,794.25/15,010.90
  6. Step 6: Final answer
    x = 12,683.97

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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.