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Finding the Fourth Proportional to 1,957.88, 2,701.88 and 1,073.74

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Solution

The fourth proportional to 1,957.88, 2,701.88 and 1,073.74 is: 1,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.88 : 2,701.88 = 1,073.74 : x
  2. Step 2: Convert to fraction form
    1,957.88/2,701.88 = 1,073.74/x
  3. Step 3: Cross multiply
    1,957.88x = 2,701.88 × 1,073.74
  4. Step 4: Simplify right side
    1,957.88x = 2,901,116.63
  5. Step 5: Solve for x
    x = 2,901,116.63/1,957.88
  6. Step 6: Final answer
    x = 1,481.76

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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.