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Finding the Fourth Proportional to 5,071.98, 7,589.46 and 2,992.98

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Solution

The fourth proportional to 5,071.98, 7,589.46 and 2,992.98 is: 4,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.98 : 7,589.46 = 2,992.98 : x
  2. Step 2: Convert to fraction form
    5,071.98/7,589.46 = 2,992.98/x
  3. Step 3: Cross multiply
    5,071.98x = 7,589.46 × 2,992.98
  4. Step 4: Simplify right side
    5,071.98x = 22,715,101.99
  5. Step 5: Solve for x
    x = 22,715,101.99/5,071.98
  6. Step 6: Final answer
    x = 4,478.55

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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.