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Finding the Fourth Proportional to 17,807.68, 26,713.34 and 6,119.40

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Solution

The fourth proportional to 17,807.68, 26,713.34 and 6,119.40 is: 9,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.68 : 26,713.34 = 6,119.40 : x
  2. Step 2: Convert to fraction form
    17,807.68/26,713.34 = 6,119.40/x
  3. Step 3: Cross multiply
    17,807.68x = 26,713.34 × 6,119.40
  4. Step 4: Simplify right side
    17,807.68x = 163,469,612.80
  5. Step 5: Solve for x
    x = 163,469,612.80/17,807.68
  6. Step 6: Final answer
    x = 9,179.73

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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.