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Finding the Fourth Proportional to 45,909.92, 68,898.08 and 16,328

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Solution

The fourth proportional to 45,909.92, 68,898.08 and 16,328 is: 24,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.92 : 68,898.08 = 16,328 : x
  2. Step 2: Convert to fraction form
    45,909.92/68,898.08 = 16,328/x
  3. Step 3: Cross multiply
    45,909.92x = 68,898.08 × 16,328
  4. Step 4: Simplify right side
    45,909.92x = 1,124,967,850.24
  5. Step 5: Solve for x
    x = 1,124,967,850.24/45,909.92
  6. Step 6: Final answer
    x = 24,503.81

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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.