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Finding the Fourth Proportional to 17,458.78, 24,065.08 and 11,791.70

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Solution

The fourth proportional to 17,458.78, 24,065.08 and 11,791.70 is: 16,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,458.78 : 24,065.08 = 11,791.70 : x
  2. Step 2: Convert to fraction form
    17,458.78/24,065.08 = 11,791.70/x
  3. Step 3: Cross multiply
    17,458.78x = 24,065.08 × 11,791.70
  4. Step 4: Simplify right side
    17,458.78x = 283,768,203.84
  5. Step 5: Solve for x
    x = 283,768,203.84/17,458.78
  6. Step 6: Final answer
    x = 16,253.61

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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.