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Finding the Fourth Proportional to 8,065.44, 12,074.64 and 6,125.28

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Solution

The fourth proportional to 8,065.44, 12,074.64 and 6,125.28 is: 9,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.44 : 12,074.64 = 6,125.28 : x
  2. Step 2: Convert to fraction form
    8,065.44/12,074.64 = 6,125.28/x
  3. Step 3: Cross multiply
    8,065.44x = 12,074.64 × 6,125.28
  4. Step 4: Simplify right side
    8,065.44x = 73,960,550.90
  5. Step 5: Solve for x
    x = 73,960,550.90/8,065.44
  6. Step 6: Final answer
    x = 9,170.06

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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.