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Finding the Fourth Proportional to 8,906.76, 13,358.52 and 3,063.24

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Solution

The fourth proportional to 8,906.76, 13,358.52 and 3,063.24 is: 4,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.76 : 13,358.52 = 3,063.24 : x
  2. Step 2: Convert to fraction form
    8,906.76/13,358.52 = 3,063.24/x
  3. Step 3: Cross multiply
    8,906.76x = 13,358.52 × 3,063.24
  4. Step 4: Simplify right side
    8,906.76x = 40,920,352.80
  5. Step 5: Solve for x
    x = 40,920,352.80/8,906.76
  6. Step 6: Final answer
    x = 4,594.30

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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.