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Finding the Fourth Proportional to 64,245.32, 96,326.86 and 30,898.97

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Solution

The fourth proportional to 64,245.32, 96,326.86 and 30,898.97 is: 46,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.32 : 96,326.86 = 30,898.97 : x
  2. Step 2: Convert to fraction form
    64,245.32/96,326.86 = 30,898.97/x
  3. Step 3: Cross multiply
    64,245.32x = 96,326.86 × 30,898.97
  4. Step 4: Simplify right side
    64,245.32x = 2,976,400,757.33
  5. Step 5: Solve for x
    x = 2,976,400,757.33/64,245.32
  6. Step 6: Final answer
    x = 46,328.68

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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.