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Finding the Fourth Proportional to 73,022.67, 109,492.08 and 28,597.41

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Solution

The fourth proportional to 73,022.67, 109,492.08 and 28,597.41 is: 42,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,022.67 : 109,492.08 = 28,597.41 : x
  2. Step 2: Convert to fraction form
    73,022.67/109,492.08 = 28,597.41/x
  3. Step 3: Cross multiply
    73,022.67x = 109,492.08 × 28,597.41
  4. Step 4: Simplify right side
    73,022.67x = 3,131,189,356.05
  5. Step 5: Solve for x
    x = 3,131,189,356.05/73,022.67
  6. Step 6: Final answer
    x = 42,879.69

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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.