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Finding the Fourth Proportional to 5,508.80, 7,612.78 and 4,094.54

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Solution

The fourth proportional to 5,508.80, 7,612.78 and 4,094.54 is: 5,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.80 : 7,612.78 = 4,094.54 : x
  2. Step 2: Convert to fraction form
    5,508.80/7,612.78 = 4,094.54/x
  3. Step 3: Cross multiply
    5,508.80x = 7,612.78 × 4,094.54
  4. Step 4: Simplify right side
    5,508.80x = 31,170,832.22
  5. Step 5: Solve for x
    x = 31,170,832.22/5,508.80
  6. Step 6: Final answer
    x = 5,658.37

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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.