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Finding the Fourth Proportional to 64,906.65, 89,572.01 and 36,229.10

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Solution

The fourth proportional to 64,906.65, 89,572.01 and 36,229.10 is: 49,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906.65 : 89,572.01 = 36,229.10 : x
  2. Step 2: Convert to fraction form
    64,906.65/89,572.01 = 36,229.10/x
  3. Step 3: Cross multiply
    64,906.65x = 89,572.01 × 36,229.10
  4. Step 4: Simplify right side
    64,906.65x = 3,245,112,678.49
  5. Step 5: Solve for x
    x = 3,245,112,678.49/64,906.65
  6. Step 6: Final answer
    x = 49,996.61

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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.