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Finding the Fourth Proportional to 8,649.55, 11,932.02 and 5,062.15

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Solution

The fourth proportional to 8,649.55, 11,932.02 and 5,062.15 is: 6,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.55 : 11,932.02 = 5,062.15 : x
  2. Step 2: Convert to fraction form
    8,649.55/11,932.02 = 5,062.15/x
  3. Step 3: Cross multiply
    8,649.55x = 11,932.02 × 5,062.15
  4. Step 4: Simplify right side
    8,649.55x = 60,401,675.04
  5. Step 5: Solve for x
    x = 60,401,675.04/8,649.55
  6. Step 6: Final answer
    x = 6,983.22

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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.