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Finding the Fourth Proportional to 43,241, 64,862.04 and 15,539

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Solution

The fourth proportional to 43,241, 64,862.04 and 15,539 is: 23,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241 : 64,862.04 = 15,539 : x
  2. Step 2: Convert to fraction form
    43,241/64,862.04 = 15,539/x
  3. Step 3: Cross multiply
    43,241x = 64,862.04 × 15,539
  4. Step 4: Simplify right side
    43,241x = 1,007,891,239.56
  5. Step 5: Solve for x
    x = 1,007,891,239.56/43,241
  6. Step 6: Final answer
    x = 23,308.69

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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.