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Finding the Fourth Proportional to 65,864.44, 90,884.46 and 37,568.44

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Solution

The fourth proportional to 65,864.44, 90,884.46 and 37,568.44 is: 51,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,864.44 : 90,884.46 = 37,568.44 : x
  2. Step 2: Convert to fraction form
    65,864.44/90,884.46 = 37,568.44/x
  3. Step 3: Cross multiply
    65,864.44x = 90,884.46 × 37,568.44
  4. Step 4: Simplify right side
    65,864.44x = 3,414,387,382.44
  5. Step 5: Solve for x
    x = 3,414,387,382.44/65,864.44
  6. Step 6: Final answer
    x = 51,839.62

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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.