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Finding the Fourth Proportional to 8,080.88, 11,152.96 and 5,560.88

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Solution

The fourth proportional to 8,080.88, 11,152.96 and 5,560.88 is: 7,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.88 : 11,152.96 = 5,560.88 : x
  2. Step 2: Convert to fraction form
    8,080.88/11,152.96 = 5,560.88/x
  3. Step 3: Cross multiply
    8,080.88x = 11,152.96 × 5,560.88
  4. Step 4: Simplify right side
    8,080.88x = 62,020,272.20
  5. Step 5: Solve for x
    x = 62,020,272.20/8,080.88
  6. Step 6: Final answer
    x = 7,674.94

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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.