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Finding the Fourth Proportional to 16,971.44, 25,427.04 and 7,088.97

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Solution

The fourth proportional to 16,971.44, 25,427.04 and 7,088.97 is: 10,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.44 : 25,427.04 = 7,088.97 : x
  2. Step 2: Convert to fraction form
    16,971.44/25,427.04 = 7,088.97/x
  3. Step 3: Cross multiply
    16,971.44x = 25,427.04 × 7,088.97
  4. Step 4: Simplify right side
    16,971.44x = 180,251,523.75
  5. Step 5: Solve for x
    x = 180,251,523.75/16,971.44
  6. Step 6: Final answer
    x = 10,620.87

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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.