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Finding the Fourth Proportional to 29,421, 40,600.98 and 16,173

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Solution

The fourth proportional to 29,421, 40,600.98 and 16,173 is: 22,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421 : 40,600.98 = 16,173 : x
  2. Step 2: Convert to fraction form
    29,421/40,600.98 = 16,173/x
  3. Step 3: Cross multiply
    29,421x = 40,600.98 × 16,173
  4. Step 4: Simplify right side
    29,421x = 656,639,649.54
  5. Step 5: Solve for x
    x = 656,639,649.54/29,421
  6. Step 6: Final answer
    x = 22,318.74

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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.