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Finding the Fourth Proportional to 64,891.68, 89,553.62 and 36,596.76

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Solution

The fourth proportional to 64,891.68, 89,553.62 and 36,596.76 is: 50,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.68 : 89,553.62 = 36,596.76 : x
  2. Step 2: Convert to fraction form
    64,891.68/89,553.62 = 36,596.76/x
  3. Step 3: Cross multiply
    64,891.68x = 89,553.62 × 36,596.76
  4. Step 4: Simplify right side
    64,891.68x = 3,277,372,338.27
  5. Step 5: Solve for x
    x = 3,277,372,338.27/64,891.68
  6. Step 6: Final answer
    x = 50,505.28

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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.