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Finding the Fourth Proportional to 53,605.40, 80,408.10 and 44,922.20

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Solution

The fourth proportional to 53,605.40, 80,408.10 and 44,922.20 is: 67,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,605.40 : 80,408.10 = 44,922.20 : x
  2. Step 2: Convert to fraction form
    53,605.40/80,408.10 = 44,922.20/x
  3. Step 3: Cross multiply
    53,605.40x = 80,408.10 × 44,922.20
  4. Step 4: Simplify right side
    53,605.40x = 3,612,108,749.82
  5. Step 5: Solve for x
    x = 3,612,108,749.82/53,605.40
  6. Step 6: Final answer
    x = 67,383.30

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1.5x scale

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.