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Finding the Fourth Proportional to 8,750.16, 12,079.68 and 6,756.24

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Solution

The fourth proportional to 8,750.16, 12,079.68 and 6,756.24 is: 9,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.16 : 12,079.68 = 6,756.24 : x
  2. Step 2: Convert to fraction form
    8,750.16/12,079.68 = 6,756.24/x
  3. Step 3: Cross multiply
    8,750.16x = 12,079.68 × 6,756.24
  4. Step 4: Simplify right side
    8,750.16x = 81,613,217.20
  5. Step 5: Solve for x
    x = 81,613,217.20/8,750.16
  6. Step 6: Final answer
    x = 9,327.05

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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.