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Finding the Fourth Proportional to 1,776.39, 2,663.01 and 735.75

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Solution

The fourth proportional to 1,776.39, 2,663.01 and 735.75 is: 1,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.39 : 2,663.01 = 735.75 : x
  2. Step 2: Convert to fraction form
    1,776.39/2,663.01 = 735.75/x
  3. Step 3: Cross multiply
    1,776.39x = 2,663.01 × 735.75
  4. Step 4: Simplify right side
    1,776.39x = 1,959,309.61
  5. Step 5: Solve for x
    x = 1,959,309.61/1,776.39
  6. Step 6: Final answer
    x = 1,102.97

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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.