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Finding the Fourth Proportional to 5,448.98, 7,519.34 and 3,559.65

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Solution

The fourth proportional to 5,448.98, 7,519.34 and 3,559.65 is: 4,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.98 : 7,519.34 = 3,559.65 : x
  2. Step 2: Convert to fraction form
    5,448.98/7,519.34 = 3,559.65/x
  3. Step 3: Cross multiply
    5,448.98x = 7,519.34 × 3,559.65
  4. Step 4: Simplify right side
    5,448.98x = 26,766,200.83
  5. Step 5: Solve for x
    x = 26,766,200.83/5,448.98
  6. Step 6: Final answer
    x = 4,912.15

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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.