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Finding the Fourth Proportional to 8,680.76, 13,021.50 and 2,524.76

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Solution

The fourth proportional to 8,680.76, 13,021.50 and 2,524.76 is: 3,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.76 : 13,021.50 = 2,524.76 : x
  2. Step 2: Convert to fraction form
    8,680.76/13,021.50 = 2,524.76/x
  3. Step 3: Cross multiply
    8,680.76x = 13,021.50 × 2,524.76
  4. Step 4: Simplify right side
    8,680.76x = 32,876,162.34
  5. Step 5: Solve for x
    x = 32,876,162.34/8,680.76
  6. Step 6: Final answer
    x = 3,787.24

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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.