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Finding the Fourth Proportional to 8,229.88, 11,357.24 and 4,503.88

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Solution

The fourth proportional to 8,229.88, 11,357.24 and 4,503.88 is: 6,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.88 : 11,357.24 = 4,503.88 : x
  2. Step 2: Convert to fraction form
    8,229.88/11,357.24 = 4,503.88/x
  3. Step 3: Cross multiply
    8,229.88x = 11,357.24 × 4,503.88
  4. Step 4: Simplify right side
    8,229.88x = 51,151,566.79
  5. Step 5: Solve for x
    x = 51,151,566.79/8,229.88
  6. Step 6: Final answer
    x = 6,215.35

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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.