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Finding the Fourth Proportional to 33,658.72, 46,448.76 and 18,552

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Solution

The fourth proportional to 33,658.72, 46,448.76 and 18,552 is: 25,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,658.72 : 46,448.76 = 18,552 : x
  2. Step 2: Convert to fraction form
    33,658.72/46,448.76 = 18,552/x
  3. Step 3: Cross multiply
    33,658.72x = 46,448.76 × 18,552
  4. Step 4: Simplify right side
    33,658.72x = 861,717,395.52
  5. Step 5: Solve for x
    x = 861,717,395.52/33,658.72
  6. Step 6: Final answer
    x = 25,601.61

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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.