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Finding the Fourth Proportional to 17,979.85, 24,796.03 and 11,266.20

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Solution

The fourth proportional to 17,979.85, 24,796.03 and 11,266.20 is: 15,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.85 : 24,796.03 = 11,266.20 : x
  2. Step 2: Convert to fraction form
    17,979.85/24,796.03 = 11,266.20/x
  3. Step 3: Cross multiply
    17,979.85x = 24,796.03 × 11,266.20
  4. Step 4: Simplify right side
    17,979.85x = 279,357,033.19
  5. Step 5: Solve for x
    x = 279,357,033.19/17,979.85
  6. Step 6: Final answer
    x = 15,537.23

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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.