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Finding the Fourth Proportional to 1,932.26, 2,666.72 and 1,269.50

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Solution

The fourth proportional to 1,932.26, 2,666.72 and 1,269.50 is: 1,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.26 : 2,666.72 = 1,269.50 : x
  2. Step 2: Convert to fraction form
    1,932.26/2,666.72 = 1,269.50/x
  3. Step 3: Cross multiply
    1,932.26x = 2,666.72 × 1,269.50
  4. Step 4: Simplify right side
    1,932.26x = 3,385,401.04
  5. Step 5: Solve for x
    x = 3,385,401.04/1,932.26
  6. Step 6: Final answer
    x = 1,752.04

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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.