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Finding the Fourth Proportional to 8,900.50, 13,351.48 and 2,744.50

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Solution

The fourth proportional to 8,900.50, 13,351.48 and 2,744.50 is: 4,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.50 : 13,351.48 = 2,744.50 : x
  2. Step 2: Convert to fraction form
    8,900.50/13,351.48 = 2,744.50/x
  3. Step 3: Cross multiply
    8,900.50x = 13,351.48 × 2,744.50
  4. Step 4: Simplify right side
    8,900.50x = 36,643,136.86
  5. Step 5: Solve for x
    x = 36,643,136.86/8,900.50
  6. Step 6: Final answer
    x = 4,116.98

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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.