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Finding the Fourth Proportional to 8,751.16, 12,081.06 and 6,757.24

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Solution

The fourth proportional to 8,751.16, 12,081.06 and 6,757.24 is: 9,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.16 : 12,081.06 = 6,757.24 : x
  2. Step 2: Convert to fraction form
    8,751.16/12,081.06 = 6,757.24/x
  3. Step 3: Cross multiply
    8,751.16x = 12,081.06 × 6,757.24
  4. Step 4: Simplify right side
    8,751.16x = 81,634,621.87
  5. Step 5: Solve for x
    x = 81,634,621.87/8,751.16
  6. Step 6: Final answer
    x = 9,328.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.