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Finding the Fourth Proportional to 43,642.02, 65,486.52 and 17,347.02

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Solution

The fourth proportional to 43,642.02, 65,486.52 and 17,347.02 is: 26,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,642.02 : 65,486.52 = 17,347.02 : x
  2. Step 2: Convert to fraction form
    43,642.02/65,486.52 = 17,347.02/x
  3. Step 3: Cross multiply
    43,642.02x = 65,486.52 × 17,347.02
  4. Step 4: Simplify right side
    43,642.02x = 1,135,995,972.17
  5. Step 5: Solve for x
    x = 1,135,995,972.17/43,642.02
  6. Step 6: Final answer
    x = 26,029.87

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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.