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Finding the Fourth Proportional to 68,622.82, 94,699.83 and 38,408.73

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Solution

The fourth proportional to 68,622.82, 94,699.83 and 38,408.73 is: 53,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.82 : 94,699.83 = 38,408.73 : x
  2. Step 2: Convert to fraction form
    68,622.82/94,699.83 = 38,408.73/x
  3. Step 3: Cross multiply
    68,622.82x = 94,699.83 × 38,408.73
  4. Step 4: Simplify right side
    68,622.82x = 3,637,300,523.11
  5. Step 5: Solve for x
    x = 3,637,300,523.11/68,622.82
  6. Step 6: Final answer
    x = 53,004.24

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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.