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Finding the Fourth Proportional to 8,808.75, 13,213.13 and 3,614.63

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Solution

The fourth proportional to 8,808.75, 13,213.13 and 3,614.63 is: 5,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.75 : 13,213.13 = 3,614.63 : x
  2. Step 2: Convert to fraction form
    8,808.75/13,213.13 = 3,614.63/x
  3. Step 3: Cross multiply
    8,808.75x = 13,213.13 × 3,614.63
  4. Step 4: Simplify right side
    8,808.75x = 47,760,491.95
  5. Step 5: Solve for x
    x = 47,760,491.95/8,808.75
  6. Step 6: Final answer
    x = 5,421.94

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1.5x scale

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.