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Finding the Fourth Proportional to 63,241.62, 94,862.34 and 18,899.43

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Solution

The fourth proportional to 63,241.62, 94,862.34 and 18,899.43 is: 28,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,241.62 : 94,862.34 = 18,899.43 : x
  2. Step 2: Convert to fraction form
    63,241.62/94,862.34 = 18,899.43/x
  3. Step 3: Cross multiply
    63,241.62x = 94,862.34 × 18,899.43
  4. Step 4: Simplify right side
    63,241.62x = 1,792,844,154.47
  5. Step 5: Solve for x
    x = 1,792,844,154.47/63,241.62
  6. Step 6: Final answer
    x = 28,349.12

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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.