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Finding the Fourth Proportional to 29,444, 40,632.72 and 16,876.04

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Solution

The fourth proportional to 29,444, 40,632.72 and 16,876.04 is: 23,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,444 : 40,632.72 = 16,876.04 : x
  2. Step 2: Convert to fraction form
    29,444/40,632.72 = 16,876.04/x
  3. Step 3: Cross multiply
    29,444x = 40,632.72 × 16,876.04
  4. Step 4: Simplify right side
    29,444x = 685,719,408.03
  5. Step 5: Solve for x
    x = 685,719,408.03/29,444
  6. Step 6: Final answer
    x = 23,288.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.