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Finding the Fourth Proportional to 17,716.74, 24,448.20 and 9,758.79

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Solution

The fourth proportional to 17,716.74, 24,448.20 and 9,758.79 is: 13,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,716.74 : 24,448.20 = 9,758.79 : x
  2. Step 2: Convert to fraction form
    17,716.74/24,448.20 = 9,758.79/x
  3. Step 3: Cross multiply
    17,716.74x = 24,448.20 × 9,758.79
  4. Step 4: Simplify right side
    17,716.74x = 238,584,813.08
  5. Step 5: Solve for x
    x = 238,584,813.08/17,716.74
  6. Step 6: Final answer
    x = 13,466.63

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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.