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Finding the Fourth Proportional to 45,757.13, 68,655.42 and 17,696.93

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Solution

The fourth proportional to 45,757.13, 68,655.42 and 17,696.93 is: 26,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,757.13 : 68,655.42 = 17,696.93 : x
  2. Step 2: Convert to fraction form
    45,757.13/68,655.42 = 17,696.93/x
  3. Step 3: Cross multiply
    45,757.13x = 68,655.42 × 17,696.93
  4. Step 4: Simplify right side
    45,757.13x = 1,214,990,161.86
  5. Step 5: Solve for x
    x = 1,214,990,161.86/45,757.13
  6. Step 6: Final answer
    x = 26,553.02

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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.