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Finding the Fourth Proportional to 5,559.75, 7,672.46 and 3,463.88

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Solution

The fourth proportional to 5,559.75, 7,672.46 and 3,463.88 is: 4,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.75 : 7,672.46 = 3,463.88 : x
  2. Step 2: Convert to fraction form
    5,559.75/7,672.46 = 3,463.88/x
  3. Step 3: Cross multiply
    5,559.75x = 7,672.46 × 3,463.88
  4. Step 4: Simplify right side
    5,559.75x = 26,576,425.06
  5. Step 5: Solve for x
    x = 26,576,425.06/5,559.75
  6. Step 6: Final answer
    x = 4,780.15

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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.