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Finding the Fourth Proportional to 64,676.70, 89,249.04 and 36,376.92

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Solution

The fourth proportional to 64,676.70, 89,249.04 and 36,376.92 is: 50,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.70 : 89,249.04 = 36,376.92 : x
  2. Step 2: Convert to fraction form
    64,676.70/89,249.04 = 36,376.92/x
  3. Step 3: Cross multiply
    64,676.70x = 89,249.04 × 36,376.92
  4. Step 4: Simplify right side
    64,676.70x = 3,246,605,188.16
  5. Step 5: Solve for x
    x = 3,246,605,188.16/64,676.70
  6. Step 6: Final answer
    x = 50,197.45

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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.