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Finding the Fourth Proportional to 8,881.11, 12,255.54 and 5,101.62

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Solution

The fourth proportional to 8,881.11, 12,255.54 and 5,101.62 is: 7,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.11 : 12,255.54 = 5,101.62 : x
  2. Step 2: Convert to fraction form
    8,881.11/12,255.54 = 5,101.62/x
  3. Step 3: Cross multiply
    8,881.11x = 12,255.54 × 5,101.62
  4. Step 4: Simplify right side
    8,881.11x = 62,523,107.97
  5. Step 5: Solve for x
    x = 62,523,107.97/8,881.11
  6. Step 6: Final answer
    x = 7,040.01

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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.