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Finding the Fourth Proportional to 63,008.56, 94,531.29 and 18,636.46

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Solution

The fourth proportional to 63,008.56, 94,531.29 and 18,636.46 is: 27,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.56 : 94,531.29 = 18,636.46 : x
  2. Step 2: Convert to fraction form
    63,008.56/94,531.29 = 18,636.46/x
  3. Step 3: Cross multiply
    63,008.56x = 94,531.29 × 18,636.46
  4. Step 4: Simplify right side
    63,008.56x = 1,761,728,604.83
  5. Step 5: Solve for x
    x = 1,761,728,604.83/63,008.56
  6. Step 6: Final answer
    x = 27,960.15

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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.