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Finding the Fourth Proportional to 6,326.52, 9,489.72 and 2,166.48

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Solution

The fourth proportional to 6,326.52, 9,489.72 and 2,166.48 is: 3,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.52 : 9,489.72 = 2,166.48 : x
  2. Step 2: Convert to fraction form
    6,326.52/9,489.72 = 2,166.48/x
  3. Step 3: Cross multiply
    6,326.52x = 9,489.72 × 2,166.48
  4. Step 4: Simplify right side
    6,326.52x = 20,559,288.59
  5. Step 5: Solve for x
    x = 20,559,288.59/6,326.52
  6. Step 6: Final answer
    x = 3,249.70

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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.