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Finding the Fourth Proportional to 22,671.42, 34,020.81 and 16,151.82

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Solution

The fourth proportional to 22,671.42, 34,020.81 and 16,151.82 is: 24,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.42 : 34,020.81 = 16,151.82 : x
  2. Step 2: Convert to fraction form
    22,671.42/34,020.81 = 16,151.82/x
  3. Step 3: Cross multiply
    22,671.42x = 34,020.81 × 16,151.82
  4. Step 4: Simplify right side
    22,671.42x = 549,497,999.37
  5. Step 5: Solve for x
    x = 549,497,999.37/22,671.42
  6. Step 6: Final answer
    x = 24,237.48

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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.