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Finding the Fourth Proportional to 45,658.58, 68,487.13 and 17,584.79

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Solution

The fourth proportional to 45,658.58, 68,487.13 and 17,584.79 is: 26,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.58 : 68,487.13 = 17,584.79 : x
  2. Step 2: Convert to fraction form
    45,658.58/68,487.13 = 17,584.79/x
  3. Step 3: Cross multiply
    45,658.58x = 68,487.13 × 17,584.79
  4. Step 4: Simplify right side
    45,658.58x = 1,204,331,710.83
  5. Step 5: Solve for x
    x = 1,204,331,710.83/45,658.58
  6. Step 6: Final answer
    x = 26,376.90

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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.