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Finding the Fourth Proportional to 8,876.25, 12,250.44 and 5,150.25

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Solution

The fourth proportional to 8,876.25, 12,250.44 and 5,150.25 is: 7,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.25 : 12,250.44 = 5,150.25 : x
  2. Step 2: Convert to fraction form
    8,876.25/12,250.44 = 5,150.25/x
  3. Step 3: Cross multiply
    8,876.25x = 12,250.44 × 5,150.25
  4. Step 4: Simplify right side
    8,876.25x = 63,092,828.61
  5. Step 5: Solve for x
    x = 63,092,828.61/8,876.25
  6. Step 6: Final answer
    x = 7,108.05

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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.