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Finding the Fourth Proportional to 1,808.95, 2,496.20 and 1,052.61

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Solution

The fourth proportional to 1,808.95, 2,496.20 and 1,052.61 is: 1,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.95 : 2,496.20 = 1,052.61 : x
  2. Step 2: Convert to fraction form
    1,808.95/2,496.20 = 1,052.61/x
  3. Step 3: Cross multiply
    1,808.95x = 2,496.20 × 1,052.61
  4. Step 4: Simplify right side
    1,808.95x = 2,627,512.60
  5. Step 5: Solve for x
    x = 2,627,512.60/1,808.95
  6. Step 6: Final answer
    x = 1,452.51

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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.