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Finding the Fourth Proportional to 6,247.39, 8,622.27 and 6,042.28

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Solution

The fourth proportional to 6,247.39, 8,622.27 and 6,042.28 is: 8,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.39 : 8,622.27 = 6,042.28 : x
  2. Step 2: Convert to fraction form
    6,247.39/8,622.27 = 6,042.28/x
  3. Step 3: Cross multiply
    6,247.39x = 8,622.27 × 6,042.28
  4. Step 4: Simplify right side
    6,247.39x = 52,098,169.58
  5. Step 5: Solve for x
    x = 52,098,169.58/6,247.39
  6. Step 6: Final answer
    x = 8,339.19

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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.