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Finding the Fourth Proportional to 8,673.70, 11,965.02 and 7,552.66

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Solution

The fourth proportional to 8,673.70, 11,965.02 and 7,552.66 is: 10,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.70 : 11,965.02 = 7,552.66 : x
  2. Step 2: Convert to fraction form
    8,673.70/11,965.02 = 7,552.66/x
  3. Step 3: Cross multiply
    8,673.70x = 11,965.02 × 7,552.66
  4. Step 4: Simplify right side
    8,673.70x = 90,367,727.95
  5. Step 5: Solve for x
    x = 90,367,727.95/8,673.70
  6. Step 6: Final answer
    x = 10,418.59

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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.