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Finding the Fourth Proportional to 1,512.39, 2,268.01 and 587.83

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Solution

The fourth proportional to 1,512.39, 2,268.01 and 587.83 is: 881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.39 : 2,268.01 = 587.83 : x
  2. Step 2: Convert to fraction form
    1,512.39/2,268.01 = 587.83/x
  3. Step 3: Cross multiply
    1,512.39x = 2,268.01 × 587.83
  4. Step 4: Simplify right side
    1,512.39x = 1,333,197.18
  5. Step 5: Solve for x
    x = 1,333,197.18/1,512.39
  6. Step 6: Final answer
    x = 881.51

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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.