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Finding the Fourth Proportional to 8,882.88, 12,258.76 and 5,107.26

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Solution

The fourth proportional to 8,882.88, 12,258.76 and 5,107.26 is: 7,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.88 : 12,258.76 = 5,107.26 : x
  2. Step 2: Convert to fraction form
    8,882.88/12,258.76 = 5,107.26/x
  3. Step 3: Cross multiply
    8,882.88x = 12,258.76 × 5,107.26
  4. Step 4: Simplify right side
    8,882.88x = 62,608,674.60
  5. Step 5: Solve for x
    x = 62,608,674.60/8,882.88
  6. Step 6: Final answer
    x = 7,048.24

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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.