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Finding the Fourth Proportional to 29,399, 40,570.62 and 16,151

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Solution

The fourth proportional to 29,399, 40,570.62 and 16,151 is: 22,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399 : 40,570.62 = 16,151 : x
  2. Step 2: Convert to fraction form
    29,399/40,570.62 = 16,151/x
  3. Step 3: Cross multiply
    29,399x = 40,570.62 × 16,151
  4. Step 4: Simplify right side
    29,399x = 655,256,083.62
  5. Step 5: Solve for x
    x = 655,256,083.62/29,399
  6. Step 6: Final answer
    x = 22,288.38

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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.