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Finding the Fourth Proportional to 7,339.71, 11,011.86 and 2,342.82

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Solution

The fourth proportional to 7,339.71, 11,011.86 and 2,342.82 is: 3,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.71 : 11,011.86 = 2,342.82 : x
  2. Step 2: Convert to fraction form
    7,339.71/11,011.86 = 2,342.82/x
  3. Step 3: Cross multiply
    7,339.71x = 11,011.86 × 2,342.82
  4. Step 4: Simplify right side
    7,339.71x = 25,798,805.85
  5. Step 5: Solve for x
    x = 25,798,805.85/7,339.71
  6. Step 6: Final answer
    x = 3,514.96

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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.