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Finding the Fourth Proportional to 45,609.52, 68,424.54 and 16,029.40

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Solution

The fourth proportional to 45,609.52, 68,424.54 and 16,029.40 is: 24,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.52 : 68,424.54 = 16,029.40 : x
  2. Step 2: Convert to fraction form
    45,609.52/68,424.54 = 16,029.40/x
  3. Step 3: Cross multiply
    45,609.52x = 68,424.54 × 16,029.40
  4. Step 4: Simplify right side
    45,609.52x = 1,096,804,321.48
  5. Step 5: Solve for x
    x = 1,096,804,321.48/45,609.52
  6. Step 6: Final answer
    x = 24,047.71

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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.