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Finding the Fourth Proportional to 43,593.53, 65,362.16 and 18,649.85

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Solution

The fourth proportional to 43,593.53, 65,362.16 and 18,649.85 is: 27,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,593.53 : 65,362.16 = 18,649.85 : x
  2. Step 2: Convert to fraction form
    43,593.53/65,362.16 = 18,649.85/x
  3. Step 3: Cross multiply
    43,593.53x = 65,362.16 × 18,649.85
  4. Step 4: Simplify right side
    43,593.53x = 1,218,994,386.43
  5. Step 5: Solve for x
    x = 1,218,994,386.43/43,593.53
  6. Step 6: Final answer
    x = 27,962.74

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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.