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Finding the Fourth Proportional to 3,651.75, 5,472.50 and 2,420.01

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Solution

The fourth proportional to 3,651.75, 5,472.50 and 2,420.01 is: 3,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.75 : 5,472.50 = 2,420.01 : x
  2. Step 2: Convert to fraction form
    3,651.75/5,472.50 = 2,420.01/x
  3. Step 3: Cross multiply
    3,651.75x = 5,472.50 × 2,420.01
  4. Step 4: Simplify right side
    3,651.75x = 13,243,492.62
  5. Step 5: Solve for x
    x = 13,243,492.62/3,651.75
  6. Step 6: Final answer
    x = 3,626.62

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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.