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Finding the Fourth Proportional to 23,616.76, 35,425.16 and 11,913.88

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Solution

The fourth proportional to 23,616.76, 35,425.16 and 11,913.88 is: 17,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,616.76 : 35,425.16 = 11,913.88 : x
  2. Step 2: Convert to fraction form
    23,616.76/35,425.16 = 11,913.88/x
  3. Step 3: Cross multiply
    23,616.76x = 35,425.16 × 11,913.88
  4. Step 4: Simplify right side
    23,616.76x = 422,051,105.22
  5. Step 5: Solve for x
    x = 422,051,105.22/23,616.76
  6. Step 6: Final answer
    x = 17,870.83

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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.