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Finding the Fourth Proportional to 8,943.36, 12,337.48 and 5,959.48

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Solution

The fourth proportional to 8,943.36, 12,337.48 and 5,959.48 is: 8,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.36 : 12,337.48 = 5,959.48 : x
  2. Step 2: Convert to fraction form
    8,943.36/12,337.48 = 5,959.48/x
  3. Step 3: Cross multiply
    8,943.36x = 12,337.48 × 5,959.48
  4. Step 4: Simplify right side
    8,943.36x = 73,524,965.31
  5. Step 5: Solve for x
    x = 73,524,965.31/8,943.36
  6. Step 6: Final answer
    x = 8,221.18

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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.