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Finding the Fourth Proportional to 2,460.85, 3,692.87 and 1,472.92

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Solution

The fourth proportional to 2,460.85, 3,692.87 and 1,472.92 is: 2,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.85 : 3,692.87 = 1,472.92 : x
  2. Step 2: Convert to fraction form
    2,460.85/3,692.87 = 1,472.92/x
  3. Step 3: Cross multiply
    2,460.85x = 3,692.87 × 1,472.92
  4. Step 4: Simplify right side
    2,460.85x = 5,439,291.01
  5. Step 5: Solve for x
    x = 5,439,291.01/2,460.85
  6. Step 6: Final answer
    x = 2,210.33

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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.