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Finding the Fourth Proportional to 2,302.83, 3,452.75 and 987.44

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Solution

The fourth proportional to 2,302.83, 3,452.75 and 987.44 is: 1,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.83 : 3,452.75 = 987.44 : x
  2. Step 2: Convert to fraction form
    2,302.83/3,452.75 = 987.44/x
  3. Step 3: Cross multiply
    2,302.83x = 3,452.75 × 987.44
  4. Step 4: Simplify right side
    2,302.83x = 3,409,361.26
  5. Step 5: Solve for x
    x = 3,409,361.26/2,302.83
  6. Step 6: Final answer
    x = 1,480.51

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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.