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Finding the Fourth Proportional to 732.76, 1,098.18 and 692.44

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Solution

The fourth proportional to 732.76, 1,098.18 and 692.44 is: 1,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.76 : 1,098.18 = 692.44 : x
  2. Step 2: Convert to fraction form
    732.76/1,098.18 = 692.44/x
  3. Step 3: Cross multiply
    732.76x = 1,098.18 × 692.44
  4. Step 4: Simplify right side
    732.76x = 760,423.76
  5. Step 5: Solve for x
    x = 760,423.76/732.76
  6. Step 6: Final answer
    x = 1,037.75

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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.