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Finding the Fourth Proportional to 1,232.96, 1,701.63 and 701.92

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Solution

The fourth proportional to 1,232.96, 1,701.63 and 701.92 is: 968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.96 : 1,701.63 = 701.92 : x
  2. Step 2: Convert to fraction form
    1,232.96/1,701.63 = 701.92/x
  3. Step 3: Cross multiply
    1,232.96x = 1,701.63 × 701.92
  4. Step 4: Simplify right side
    1,232.96x = 1,194,408.13
  5. Step 5: Solve for x
    x = 1,194,408.13/1,232.96
  6. Step 6: Final answer
    x = 968.73

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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.