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Finding the Fourth Proportional to 4,848.80, 6,691.11 and 2,752.88

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Solution

The fourth proportional to 4,848.80, 6,691.11 and 2,752.88 is: 3,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.80 : 6,691.11 = 2,752.88 : x
  2. Step 2: Convert to fraction form
    4,848.80/6,691.11 = 2,752.88/x
  3. Step 3: Cross multiply
    4,848.80x = 6,691.11 × 2,752.88
  4. Step 4: Simplify right side
    4,848.80x = 18,419,822.90
  5. Step 5: Solve for x
    x = 18,419,822.90/4,848.80
  6. Step 6: Final answer
    x = 3,798.84

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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.