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Finding the Fourth Proportional to 45,493.52, 68,226.51 and 15,905.84

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Solution

The fourth proportional to 45,493.52, 68,226.51 and 15,905.84 is: 23,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.52 : 68,226.51 = 15,905.84 : x
  2. Step 2: Convert to fraction form
    45,493.52/68,226.51 = 15,905.84/x
  3. Step 3: Cross multiply
    45,493.52x = 68,226.51 × 15,905.84
  4. Step 4: Simplify right side
    45,493.52x = 1,085,199,951.82
  5. Step 5: Solve for x
    x = 1,085,199,951.82/45,493.52
  6. Step 6: Final answer
    x = 23,853.95

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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.