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Finding the Fourth Proportional to 64,843.94, 89,482.84 and 36,164.48

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Solution

The fourth proportional to 64,843.94, 89,482.84 and 36,164.48 is: 49,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,843.94 : 89,482.84 = 36,164.48 : x
  2. Step 2: Convert to fraction form
    64,843.94/89,482.84 = 36,164.48/x
  3. Step 3: Cross multiply
    64,843.94x = 89,482.84 × 36,164.48
  4. Step 4: Simplify right side
    64,843.94x = 3,236,099,839.70
  5. Step 5: Solve for x
    x = 3,236,099,839.70/64,843.94
  6. Step 6: Final answer
    x = 49,905.97

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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.