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Finding the Fourth Proportional to 17,988.56, 26,982.84 and 7,599.44

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Solution

The fourth proportional to 17,988.56, 26,982.84 and 7,599.44 is: 11,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.56 : 26,982.84 = 7,599.44 : x
  2. Step 2: Convert to fraction form
    17,988.56/26,982.84 = 7,599.44/x
  3. Step 3: Cross multiply
    17,988.56x = 26,982.84 × 7,599.44
  4. Step 4: Simplify right side
    17,988.56x = 205,054,473.61
  5. Step 5: Solve for x
    x = 205,054,473.61/17,988.56
  6. Step 6: Final answer
    x = 11,399.16

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Similar ratio
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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.