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Finding the Fourth Proportional to 64,764.62, 89,379.73 and 36,086.14

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Solution

The fourth proportional to 64,764.62, 89,379.73 and 36,086.14 is: 49,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764.62 : 89,379.73 = 36,086.14 : x
  2. Step 2: Convert to fraction form
    64,764.62/89,379.73 = 36,086.14/x
  3. Step 3: Cross multiply
    64,764.62x = 89,379.73 × 36,086.14
  4. Step 4: Simplify right side
    64,764.62x = 3,225,369,449.94
  5. Step 5: Solve for x
    x = 3,225,369,449.94/64,764.62
  6. Step 6: Final answer
    x = 49,801.41

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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.