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Finding the Fourth Proportional to 23,208.79, 34,813.86 and 5,678.62

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Solution

The fourth proportional to 23,208.79, 34,813.86 and 5,678.62 is: 8,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.79 : 34,813.86 = 5,678.62 : x
  2. Step 2: Convert to fraction form
    23,208.79/34,813.86 = 5,678.62/x
  3. Step 3: Cross multiply
    23,208.79x = 34,813.86 × 5,678.62
  4. Step 4: Simplify right side
    23,208.79x = 197,694,507.60
  5. Step 5: Solve for x
    x = 197,694,507.60/23,208.79
  6. Step 6: Final answer
    x = 8,518.09

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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.