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Finding the Fourth Proportional to 8,876.28, 12,242.94 and 6,224.28

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Solution

The fourth proportional to 8,876.28, 12,242.94 and 6,224.28 is: 8,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.28 : 12,242.94 = 6,224.28 : x
  2. Step 2: Convert to fraction form
    8,876.28/12,242.94 = 6,224.28/x
  3. Step 3: Cross multiply
    8,876.28x = 12,242.94 × 6,224.28
  4. Step 4: Simplify right side
    8,876.28x = 76,203,486.58
  5. Step 5: Solve for x
    x = 76,203,486.58/8,876.28
  6. Step 6: Final answer
    x = 8,585.07

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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.