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Finding the Fourth Proportional to 60,795.29, 91,189.49 and 16,418.70

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Solution

The fourth proportional to 60,795.29, 91,189.49 and 16,418.70 is: 24,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,795.29 : 91,189.49 = 16,418.70 : x
  2. Step 2: Convert to fraction form
    60,795.29/91,189.49 = 16,418.70/x
  3. Step 3: Cross multiply
    60,795.29x = 91,189.49 × 16,418.70
  4. Step 4: Simplify right side
    60,795.29x = 1,497,212,879.46
  5. Step 5: Solve for x
    x = 1,497,212,879.46/60,795.29
  6. Step 6: Final answer
    x = 24,627.12

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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.