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Finding the Fourth Proportional to 80,408.39, 110,969.46 and 44,605.17

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Solution

The fourth proportional to 80,408.39, 110,969.46 and 44,605.17 is: 61,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.39 : 110,969.46 = 44,605.17 : x
  2. Step 2: Convert to fraction form
    80,408.39/110,969.46 = 44,605.17/x
  3. Step 3: Cross multiply
    80,408.39x = 110,969.46 × 44,605.17
  4. Step 4: Simplify right side
    80,408.39x = 4,949,811,628.11
  5. Step 5: Solve for x
    x = 4,949,811,628.11/80,408.39
  6. Step 6: Final answer
    x = 61,558.40

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1.5x scale

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.