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Finding the Fourth Proportional to 17,488.88, 26,231.90 and 6,958.48

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Solution

The fourth proportional to 17,488.88, 26,231.90 and 6,958.48 is: 10,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.88 : 26,231.90 = 6,958.48 : x
  2. Step 2: Convert to fraction form
    17,488.88/26,231.90 = 6,958.48/x
  3. Step 3: Cross multiply
    17,488.88x = 26,231.90 × 6,958.48
  4. Step 4: Simplify right side
    17,488.88x = 182,534,151.51
  5. Step 5: Solve for x
    x = 182,534,151.51/17,488.88
  6. Step 6: Final answer
    x = 10,437.16

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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.