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Finding the Fourth Proportional to 6,767.52, 10,125.76 and 3,995.70

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Solution

The fourth proportional to 6,767.52, 10,125.76 and 3,995.70 is: 5,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.52 : 10,125.76 = 3,995.70 : x
  2. Step 2: Convert to fraction form
    6,767.52/10,125.76 = 3,995.70/x
  3. Step 3: Cross multiply
    6,767.52x = 10,125.76 × 3,995.70
  4. Step 4: Simplify right side
    6,767.52x = 40,459,499.23
  5. Step 5: Solve for x
    x = 40,459,499.23/6,767.52
  6. Step 6: Final answer
    x = 5,978.48

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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.