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Finding the Fourth Proportional to 64,287.44, 96,433.72 and 27,326.16

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Solution

The fourth proportional to 64,287.44, 96,433.72 and 27,326.16 is: 40,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.44 : 96,433.72 = 27,326.16 : x
  2. Step 2: Convert to fraction form
    64,287.44/96,433.72 = 27,326.16/x
  3. Step 3: Cross multiply
    64,287.44x = 96,433.72 × 27,326.16
  4. Step 4: Simplify right side
    64,287.44x = 2,635,163,262.12
  5. Step 5: Solve for x
    x = 2,635,163,262.12/64,287.44
  6. Step 6: Final answer
    x = 40,990.33

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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.