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Finding the Fourth Proportional to 29,173.68, 43,767 and 8,398.80

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Solution

The fourth proportional to 29,173.68, 43,767 and 8,398.80 is: 12,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.68 : 43,767 = 8,398.80 : x
  2. Step 2: Convert to fraction form
    29,173.68/43,767 = 8,398.80/x
  3. Step 3: Cross multiply
    29,173.68x = 43,767 × 8,398.80
  4. Step 4: Simplify right side
    29,173.68x = 367,590,279.60
  5. Step 5: Solve for x
    x = 367,590,279.60/29,173.68
  6. Step 6: Final answer
    x = 12,600.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.