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Finding the Fourth Proportional to 1,367.88, 2,052.50 and 934.17

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Solution

The fourth proportional to 1,367.88, 2,052.50 and 934.17 is: 1,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.88 : 2,052.50 = 934.17 : x
  2. Step 2: Convert to fraction form
    1,367.88/2,052.50 = 934.17/x
  3. Step 3: Cross multiply
    1,367.88x = 2,052.50 × 934.17
  4. Step 4: Simplify right side
    1,367.88x = 1,917,383.93
  5. Step 5: Solve for x
    x = 1,917,383.93/1,367.88
  6. Step 6: Final answer
    x = 1,401.72

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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.