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Finding the Fourth Proportional to 1,452.57, 2,003.02 and 1,368.87

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Solution

The fourth proportional to 1,452.57, 2,003.02 and 1,368.87 is: 1,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.57 : 2,003.02 = 1,368.87 : x
  2. Step 2: Convert to fraction form
    1,452.57/2,003.02 = 1,368.87/x
  3. Step 3: Cross multiply
    1,452.57x = 2,003.02 × 1,368.87
  4. Step 4: Simplify right side
    1,452.57x = 2,741,873.99
  5. Step 5: Solve for x
    x = 2,741,873.99/1,452.57
  6. Step 6: Final answer
    x = 1,887.60

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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.