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Finding the Fourth Proportional to 45,908.52, 68,905.98 and 22,551.72

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Solution

The fourth proportional to 45,908.52, 68,905.98 and 22,551.72 is: 33,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.52 : 68,905.98 = 22,551.72 : x
  2. Step 2: Convert to fraction form
    45,908.52/68,905.98 = 22,551.72/x
  3. Step 3: Cross multiply
    45,908.52x = 68,905.98 × 22,551.72
  4. Step 4: Simplify right side
    45,908.52x = 1,553,948,367.29
  5. Step 5: Solve for x
    x = 1,553,948,367.29/45,908.52
  6. Step 6: Final answer
    x = 33,848.80

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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.