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Finding the Fourth Proportional to 64,674.77, 89,251.20 and 36,380.48

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Solution

The fourth proportional to 64,674.77, 89,251.20 and 36,380.48 is: 50,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,674.77 : 89,251.20 = 36,380.48 : x
  2. Step 2: Convert to fraction form
    64,674.77/89,251.20 = 36,380.48/x
  3. Step 3: Cross multiply
    64,674.77x = 89,251.20 × 36,380.48
  4. Step 4: Simplify right side
    64,674.77x = 3,247,001,050.32
  5. Step 5: Solve for x
    x = 3,247,001,050.32/64,674.77
  6. Step 6: Final answer
    x = 50,205.07

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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.