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Finding the Fourth Proportional to 64,450.58, 88,942.41 and 36,156.87

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Solution

The fourth proportional to 64,450.58, 88,942.41 and 36,156.87 is: 49,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.58 : 88,942.41 = 36,156.87 : x
  2. Step 2: Convert to fraction form
    64,450.58/88,942.41 = 36,156.87/x
  3. Step 3: Cross multiply
    64,450.58x = 88,942.41 × 36,156.87
  4. Step 4: Simplify right side
    64,450.58x = 3,215,879,155.86
  5. Step 5: Solve for x
    x = 3,215,879,155.86/64,450.58
  6. Step 6: Final answer
    x = 49,896.82

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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.