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Finding the Fourth Proportional to 8,859.44, 13,281.00 and 3,011.99

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Solution

The fourth proportional to 8,859.44, 13,281.00 and 3,011.99 is: 4,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.44 : 13,281.00 = 3,011.99 : x
  2. Step 2: Convert to fraction form
    8,859.44/13,281.00 = 3,011.99/x
  3. Step 3: Cross multiply
    8,859.44x = 13,281.00 × 3,011.99
  4. Step 4: Simplify right side
    8,859.44x = 40,002,161.49
  5. Step 5: Solve for x
    x = 40,002,161.49/8,859.44
  6. Step 6: Final answer
    x = 4,515.20

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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.