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Finding the Fourth Proportional to 44,944.32, 61,978.77 and 34,869.09

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Solution

The fourth proportional to 44,944.32, 61,978.77 and 34,869.09 is: 48,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,944.32 : 61,978.77 = 34,869.09 : x
  2. Step 2: Convert to fraction form
    44,944.32/61,978.77 = 34,869.09/x
  3. Step 3: Cross multiply
    44,944.32x = 61,978.77 × 34,869.09
  4. Step 4: Simplify right side
    44,944.32x = 2,161,143,309.22
  5. Step 5: Solve for x
    x = 2,161,143,309.22/44,944.32
  6. Step 6: Final answer
    x = 48,084.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.