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Finding the Fourth Proportional to 29,327, 40,471.32 and 16,751.72

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Solution

The fourth proportional to 29,327, 40,471.32 and 16,751.72 is: 23,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327 : 40,471.32 = 16,751.72 : x
  2. Step 2: Convert to fraction form
    29,327/40,471.32 = 16,751.72/x
  3. Step 3: Cross multiply
    29,327x = 40,471.32 × 16,751.72
  4. Step 4: Simplify right side
    29,327x = 677,964,220.67
  5. Step 5: Solve for x
    x = 677,964,220.67/29,327
  6. Step 6: Final answer
    x = 23,117.41

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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.