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Finding the Fourth Proportional to 2,593.70, 3,889.97 and 744.81

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Solution

The fourth proportional to 2,593.70, 3,889.97 and 744.81 is: 1,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.70 : 3,889.97 = 744.81 : x
  2. Step 2: Convert to fraction form
    2,593.70/3,889.97 = 744.81/x
  3. Step 3: Cross multiply
    2,593.70x = 3,889.97 × 744.81
  4. Step 4: Simplify right side
    2,593.70x = 2,897,269.11
  5. Step 5: Solve for x
    x = 2,897,269.11/2,593.70
  6. Step 6: Final answer
    x = 1,117.04

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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.