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Finding the Fourth Proportional to 45,605.52, 68,418.54 and 16,025.40

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Solution

The fourth proportional to 45,605.52, 68,418.54 and 16,025.40 is: 24,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,605.52 : 68,418.54 = 16,025.40 : x
  2. Step 2: Convert to fraction form
    45,605.52/68,418.54 = 16,025.40/x
  3. Step 3: Cross multiply
    45,605.52x = 68,418.54 × 16,025.40
  4. Step 4: Simplify right side
    45,605.52x = 1,096,434,470.92
  5. Step 5: Solve for x
    x = 1,096,434,470.92/45,605.52
  6. Step 6: Final answer
    x = 24,041.71

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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.