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Finding the Fourth Proportional to 5,591.08, 7,719.32 and 3,468.88

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Solution

The fourth proportional to 5,591.08, 7,719.32 and 3,468.88 is: 4,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.08 : 7,719.32 = 3,468.88 : x
  2. Step 2: Convert to fraction form
    5,591.08/7,719.32 = 3,468.88/x
  3. Step 3: Cross multiply
    5,591.08x = 7,719.32 × 3,468.88
  4. Step 4: Simplify right side
    5,591.08x = 26,777,394.76
  5. Step 5: Solve for x
    x = 26,777,394.76/5,591.08
  6. Step 6: Final answer
    x = 4,789.31

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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.