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Finding the Fourth Proportional to 64,381.64, 96,540.84 and 26,930.48

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Solution

The fourth proportional to 64,381.64, 96,540.84 and 26,930.48 is: 40,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.64 : 96,540.84 = 26,930.48 : x
  2. Step 2: Convert to fraction form
    64,381.64/96,540.84 = 26,930.48/x
  3. Step 3: Cross multiply
    64,381.64x = 96,540.84 × 26,930.48
  4. Step 4: Simplify right side
    64,381.64x = 2,599,891,160.80
  5. Step 5: Solve for x
    x = 2,599,891,160.80/64,381.64
  6. Step 6: Final answer
    x = 40,382.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.