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Finding the Fourth Proportional to 1,262.05, 1,741.43 and 702.52

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Solution

The fourth proportional to 1,262.05, 1,741.43 and 702.52 is: 969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.05 : 1,741.43 = 702.52 : x
  2. Step 2: Convert to fraction form
    1,262.05/1,741.43 = 702.52/x
  3. Step 3: Cross multiply
    1,262.05x = 1,741.43 × 702.52
  4. Step 4: Simplify right side
    1,262.05x = 1,223,381.88
  5. Step 5: Solve for x
    x = 1,223,381.88/1,262.05
  6. Step 6: Final answer
    x = 969.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.