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Finding the Fourth Proportional to 2,423.76, 3,635.82 and 692.52

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Solution

The fourth proportional to 2,423.76, 3,635.82 and 692.52 is: 1,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.76 : 3,635.82 = 692.52 : x
  2. Step 2: Convert to fraction form
    2,423.76/3,635.82 = 692.52/x
  3. Step 3: Cross multiply
    2,423.76x = 3,635.82 × 692.52
  4. Step 4: Simplify right side
    2,423.76x = 2,517,878.07
  5. Step 5: Solve for x
    x = 2,517,878.07/2,423.76
  6. Step 6: Final answer
    x = 1,038.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.