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Finding the Fourth Proportional to 9,326.52, 13,990.82 and 2,752.71

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Solution

The fourth proportional to 9,326.52, 13,990.82 and 2,752.71 is: 4,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.52 : 13,990.82 = 2,752.71 : x
  2. Step 2: Convert to fraction form
    9,326.52/13,990.82 = 2,752.71/x
  3. Step 3: Cross multiply
    9,326.52x = 13,990.82 × 2,752.71
  4. Step 4: Simplify right side
    9,326.52x = 38,512,656.36
  5. Step 5: Solve for x
    x = 38,512,656.36/9,326.52
  6. Step 6: Final answer
    x = 4,129.37

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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.