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Finding the Fourth Proportional to 64,591.92, 89,145.05 and 36,297.59

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Solution

The fourth proportional to 64,591.92, 89,145.05 and 36,297.59 is: 50,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.92 : 89,145.05 = 36,297.59 : x
  2. Step 2: Convert to fraction form
    64,591.92/89,145.05 = 36,297.59/x
  3. Step 3: Cross multiply
    64,591.92x = 89,145.05 × 36,297.59
  4. Step 4: Simplify right side
    64,591.92x = 3,235,749,848.22
  5. Step 5: Solve for x
    x = 3,235,749,848.22/64,591.92
  6. Step 6: Final answer
    x = 50,095.27

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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.