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Finding the Fourth Proportional to 17,993.88, 26,995.66 and 9,670.36

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Solution

The fourth proportional to 17,993.88, 26,995.66 and 9,670.36 is: 14,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.88 : 26,995.66 = 9,670.36 : x
  2. Step 2: Convert to fraction form
    17,993.88/26,995.66 = 9,670.36/x
  3. Step 3: Cross multiply
    17,993.88x = 26,995.66 × 9,670.36
  4. Step 4: Simplify right side
    17,993.88x = 261,057,750.64
  5. Step 5: Solve for x
    x = 261,057,750.64/17,993.88
  6. Step 6: Final answer
    x = 14,508.14

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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.