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Finding the Fourth Proportional to 8,176.88, 11,287.54 and 5,527.88

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Solution

The fourth proportional to 8,176.88, 11,287.54 and 5,527.88 is: 7,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.88 : 11,287.54 = 5,527.88 : x
  2. Step 2: Convert to fraction form
    8,176.88/11,287.54 = 5,527.88/x
  3. Step 3: Cross multiply
    8,176.88x = 11,287.54 × 5,527.88
  4. Step 4: Simplify right side
    8,176.88x = 62,396,082.54
  5. Step 5: Solve for x
    x = 62,396,082.54/8,176.88
  6. Step 6: Final answer
    x = 7,630.80

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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.