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Finding the Fourth Proportional to 15,184.56, 22,747.56 and 8,590.56

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Solution

The fourth proportional to 15,184.56, 22,747.56 and 8,590.56 is: 12,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.56 : 22,747.56 = 8,590.56 : x
  2. Step 2: Convert to fraction form
    15,184.56/22,747.56 = 8,590.56/x
  3. Step 3: Cross multiply
    15,184.56x = 22,747.56 × 8,590.56
  4. Step 4: Simplify right side
    15,184.56x = 195,414,279.03
  5. Step 5: Solve for x
    x = 195,414,279.03/15,184.56
  6. Step 6: Final answer
    x = 12,869.28

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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.