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Finding the Fourth Proportional to 8,332.88, 11,488.92 and 5,343.44

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Solution

The fourth proportional to 8,332.88, 11,488.92 and 5,343.44 is: 7,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.88 : 11,488.92 = 5,343.44 : x
  2. Step 2: Convert to fraction form
    8,332.88/11,488.92 = 5,343.44/x
  3. Step 3: Cross multiply
    8,332.88x = 11,488.92 × 5,343.44
  4. Step 4: Simplify right side
    8,332.88x = 61,390,354.68
  5. Step 5: Solve for x
    x = 61,390,354.68/8,332.88
  6. Step 6: Final answer
    x = 7,367.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.