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Finding the Fourth Proportional to 1,753.73, 2,630.58 and 713.71

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Solution

The fourth proportional to 1,753.73, 2,630.58 and 713.71 is: 1,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.73 : 2,630.58 = 713.71 : x
  2. Step 2: Convert to fraction form
    1,753.73/2,630.58 = 713.71/x
  3. Step 3: Cross multiply
    1,753.73x = 2,630.58 × 713.71
  4. Step 4: Simplify right side
    1,753.73x = 1,877,471.25
  5. Step 5: Solve for x
    x = 1,877,471.25/1,753.73
  6. Step 6: Final answer
    x = 1,070.56

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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.