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Finding the Fourth Proportional to 6,917.88, 10,327.56 and 6,674.88

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Solution

The fourth proportional to 6,917.88, 10,327.56 and 6,674.88 is: 9,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.88 : 10,327.56 = 6,674.88 : x
  2. Step 2: Convert to fraction form
    6,917.88/10,327.56 = 6,674.88/x
  3. Step 3: Cross multiply
    6,917.88x = 10,327.56 × 6,674.88
  4. Step 4: Simplify right side
    6,917.88x = 68,935,223.69
  5. Step 5: Solve for x
    x = 68,935,223.69/6,917.88
  6. Step 6: Final answer
    x = 9,964.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.