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Finding the Fourth Proportional to 2,920.94, 4,375.74 and 2,593.70

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Solution

The fourth proportional to 2,920.94, 4,375.74 and 2,593.70 is: 3,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.94 : 4,375.74 = 2,593.70 : x
  2. Step 2: Convert to fraction form
    2,920.94/4,375.74 = 2,593.70/x
  3. Step 3: Cross multiply
    2,920.94x = 4,375.74 × 2,593.70
  4. Step 4: Simplify right side
    2,920.94x = 11,349,367.78
  5. Step 5: Solve for x
    x = 11,349,367.78/2,920.94
  6. Step 6: Final answer
    x = 3,885.52

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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.