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Finding the Fourth Proportional to 5,507.66, 7,600.96 and 3,149.88

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Solution

The fourth proportional to 5,507.66, 7,600.96 and 3,149.88 is: 4,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.66 : 7,600.96 = 3,149.88 : x
  2. Step 2: Convert to fraction form
    5,507.66/7,600.96 = 3,149.88/x
  3. Step 3: Cross multiply
    5,507.66x = 7,600.96 × 3,149.88
  4. Step 4: Simplify right side
    5,507.66x = 23,942,111.88
  5. Step 5: Solve for x
    x = 23,942,111.88/5,507.66
  6. Step 6: Final answer
    x = 4,347.06

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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.