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Finding the Fourth Proportional to 5,507.64, 7,600.14 and 3,149.88

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Solution

The fourth proportional to 5,507.64, 7,600.14 and 3,149.88 is: 4,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.64 : 7,600.14 = 3,149.88 : x
  2. Step 2: Convert to fraction form
    5,507.64/7,600.14 = 3,149.88/x
  3. Step 3: Cross multiply
    5,507.64x = 7,600.14 × 3,149.88
  4. Step 4: Simplify right side
    5,507.64x = 23,939,528.98
  5. Step 5: Solve for x
    x = 23,939,528.98/5,507.64
  6. Step 6: Final answer
    x = 4,346.60

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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.