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Finding the Fourth Proportional to 64,847.91, 89,491.49 and 36,553.59

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Solution

The fourth proportional to 64,847.91, 89,491.49 and 36,553.59 is: 50,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.91 : 89,491.49 = 36,553.59 : x
  2. Step 2: Convert to fraction form
    64,847.91/89,491.49 = 36,553.59/x
  3. Step 3: Cross multiply
    64,847.91x = 89,491.49 × 36,553.59
  4. Step 4: Simplify right side
    64,847.91x = 3,271,235,051.18
  5. Step 5: Solve for x
    x = 3,271,235,051.18/64,847.91
  6. Step 6: Final answer
    x = 50,444.73

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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.