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Finding the Fourth Proportional to 6,995.97, 10,490.85 and 3,708.32

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Solution

The fourth proportional to 6,995.97, 10,490.85 and 3,708.32 is: 5,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.97 : 10,490.85 = 3,708.32 : x
  2. Step 2: Convert to fraction form
    6,995.97/10,490.85 = 3,708.32/x
  3. Step 3: Cross multiply
    6,995.97x = 10,490.85 × 3,708.32
  4. Step 4: Simplify right side
    6,995.97x = 38,903,376.42
  5. Step 5: Solve for x
    x = 38,903,376.42/6,995.97
  6. Step 6: Final answer
    x = 5,560.83

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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.