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Finding the Fourth Proportional to 6,995.43, 9,652.59 and 4,162.90

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Solution

The fourth proportional to 6,995.43, 9,652.59 and 4,162.90 is: 5,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.43 : 9,652.59 = 4,162.90 : x
  2. Step 2: Convert to fraction form
    6,995.43/9,652.59 = 4,162.90/x
  3. Step 3: Cross multiply
    6,995.43x = 9,652.59 × 4,162.90
  4. Step 4: Simplify right side
    6,995.43x = 40,182,766.91
  5. Step 5: Solve for x
    x = 40,182,766.91/6,995.43
  6. Step 6: Final answer
    x = 5,744.15

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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.