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Finding the Fourth Proportional to 1,597.80, 2,204.87 and 934.61

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Solution

The fourth proportional to 1,597.80, 2,204.87 and 934.61 is: 1,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.80 : 2,204.87 = 934.61 : x
  2. Step 2: Convert to fraction form
    1,597.80/2,204.87 = 934.61/x
  3. Step 3: Cross multiply
    1,597.80x = 2,204.87 × 934.61
  4. Step 4: Simplify right side
    1,597.80x = 2,060,694.39
  5. Step 5: Solve for x
    x = 2,060,694.39/1,597.80
  6. Step 6: Final answer
    x = 1,289.71

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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.