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Finding the Fourth Proportional to 8,524.53, 12,765.36 and 5,395.08

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Solution

The fourth proportional to 8,524.53, 12,765.36 and 5,395.08 is: 8,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.53 : 12,765.36 = 5,395.08 : x
  2. Step 2: Convert to fraction form
    8,524.53/12,765.36 = 5,395.08/x
  3. Step 3: Cross multiply
    8,524.53x = 12,765.36 × 5,395.08
  4. Step 4: Simplify right side
    8,524.53x = 68,870,138.43
  5. Step 5: Solve for x
    x = 68,870,138.43/8,524.53
  6. Step 6: Final answer
    x = 8,079.05

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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.