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Finding the Fourth Proportional to 17,988.38, 26,964.12 and 6,892.22

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Solution

The fourth proportional to 17,988.38, 26,964.12 and 6,892.22 is: 10,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.38 : 26,964.12 = 6,892.22 : x
  2. Step 2: Convert to fraction form
    17,988.38/26,964.12 = 6,892.22/x
  3. Step 3: Cross multiply
    17,988.38x = 26,964.12 × 6,892.22
  4. Step 4: Simplify right side
    17,988.38x = 185,842,647.15
  5. Step 5: Solve for x
    x = 185,842,647.15/17,988.38
  6. Step 6: Final answer
    x = 10,331.26

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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.