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Finding the Fourth Proportional to 5,049.58, 7,574.74 and 1,539.89

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Solution

The fourth proportional to 5,049.58, 7,574.74 and 1,539.89 is: 2,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.58 : 7,574.74 = 1,539.89 : x
  2. Step 2: Convert to fraction form
    5,049.58/7,574.74 = 1,539.89/x
  3. Step 3: Cross multiply
    5,049.58x = 7,574.74 × 1,539.89
  4. Step 4: Simplify right side
    5,049.58x = 11,664,266.38
  5. Step 5: Solve for x
    x = 11,664,266.38/5,049.58
  6. Step 6: Final answer
    x = 2,309.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.