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Finding the Fourth Proportional to 6,995.74, 10,490.54 and 3,708.08

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Solution

The fourth proportional to 6,995.74, 10,490.54 and 3,708.08 is: 5,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.74 : 10,490.54 = 3,708.08 : x
  2. Step 2: Convert to fraction form
    6,995.74/10,490.54 = 3,708.08/x
  3. Step 3: Cross multiply
    6,995.74x = 10,490.54 × 3,708.08
  4. Step 4: Simplify right side
    6,995.74x = 38,899,761.56
  5. Step 5: Solve for x
    x = 38,899,761.56/6,995.74
  6. Step 6: Final answer
    x = 5,560.49

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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.