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Finding the Fourth Proportional to 2,423.82, 3,635.73 and 692.46

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Solution

The fourth proportional to 2,423.82, 3,635.73 and 692.46 is: 1,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.82 : 3,635.73 = 692.46 : x
  2. Step 2: Convert to fraction form
    2,423.82/3,635.73 = 692.46/x
  3. Step 3: Cross multiply
    2,423.82x = 3,635.73 × 692.46
  4. Step 4: Simplify right side
    2,423.82x = 2,517,597.60
  5. Step 5: Solve for x
    x = 2,517,597.60/2,423.82
  6. Step 6: Final answer
    x = 1,038.69

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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.