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Finding the Fourth Proportional to 8,763.44, 12,029.20 and 7,746.48

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Solution

The fourth proportional to 8,763.44, 12,029.20 and 7,746.48 is: 10,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.44 : 12,029.20 = 7,746.48 : x
  2. Step 2: Convert to fraction form
    8,763.44/12,029.20 = 7,746.48/x
  3. Step 3: Cross multiply
    8,763.44x = 12,029.20 × 7,746.48
  4. Step 4: Simplify right side
    8,763.44x = 93,183,937.85
  5. Step 5: Solve for x
    x = 93,183,937.85/8,763.44
  6. Step 6: Final answer
    x = 10,633.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.