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Finding the Fourth Proportional to 29,193.66, 40,279.82 and 17,859.02

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Solution

The fourth proportional to 29,193.66, 40,279.82 and 17,859.02 is: 24,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.66 : 40,279.82 = 17,859.02 : x
  2. Step 2: Convert to fraction form
    29,193.66/40,279.82 = 17,859.02/x
  3. Step 3: Cross multiply
    29,193.66x = 40,279.82 × 17,859.02
  4. Step 4: Simplify right side
    29,193.66x = 719,357,820.28
  5. Step 5: Solve for x
    x = 719,357,820.28/29,193.66
  6. Step 6: Final answer
    x = 24,640.89

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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.