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Finding the Fourth Proportional to 45,693.96, 68,531.48 and 17,604.38

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Solution

The fourth proportional to 45,693.96, 68,531.48 and 17,604.38 is: 26,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.96 : 68,531.48 = 17,604.38 : x
  2. Step 2: Convert to fraction form
    45,693.96/68,531.48 = 17,604.38/x
  3. Step 3: Cross multiply
    45,693.96x = 68,531.48 × 17,604.38
  4. Step 4: Simplify right side
    45,693.96x = 1,206,454,215.88
  5. Step 5: Solve for x
    x = 1,206,454,215.88/45,693.96
  6. Step 6: Final answer
    x = 26,402.93

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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.