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Finding the Fourth Proportional to 29,809, 41,125.94 and 17,876.20

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Solution

The fourth proportional to 29,809, 41,125.94 and 17,876.20 is: 24,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809 : 41,125.94 = 17,876.20 : x
  2. Step 2: Convert to fraction form
    29,809/41,125.94 = 17,876.20/x
  3. Step 3: Cross multiply
    29,809x = 41,125.94 × 17,876.20
  4. Step 4: Simplify right side
    29,809x = 735,175,528.63
  5. Step 5: Solve for x
    x = 735,175,528.63/29,809
  6. Step 6: Final answer
    x = 24,662.87

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1.5x scale

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.