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Finding the Fourth Proportional to 12,334.98, 17,031.96 and 8,088.96

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Solution

The fourth proportional to 12,334.98, 17,031.96 and 8,088.96 is: 11,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.98 : 17,031.96 = 8,088.96 : x
  2. Step 2: Convert to fraction form
    12,334.98/17,031.96 = 8,088.96/x
  3. Step 3: Cross multiply
    12,334.98x = 17,031.96 × 8,088.96
  4. Step 4: Simplify right side
    12,334.98x = 137,770,843.16
  5. Step 5: Solve for x
    x = 137,770,843.16/12,334.98
  6. Step 6: Final answer
    x = 11,169.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.