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Finding the Fourth Proportional to 9,031.68, 13,551.84 and 5,575.68

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Solution

The fourth proportional to 9,031.68, 13,551.84 and 5,575.68 is: 8,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.68 : 13,551.84 = 5,575.68 : x
  2. Step 2: Convert to fraction form
    9,031.68/13,551.84 = 5,575.68/x
  3. Step 3: Cross multiply
    9,031.68x = 13,551.84 × 5,575.68
  4. Step 4: Simplify right side
    9,031.68x = 75,560,723.25
  5. Step 5: Solve for x
    x = 75,560,723.25/9,031.68
  6. Step 6: Final answer
    x = 8,366.19

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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.