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Finding the Fourth Proportional to 32,979.25, 49,468.88 and 8,355.25

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Solution

The fourth proportional to 32,979.25, 49,468.88 and 8,355.25 is: 12,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.25 : 49,468.88 = 8,355.25 : x
  2. Step 2: Convert to fraction form
    32,979.25/49,468.88 = 8,355.25/x
  3. Step 3: Cross multiply
    32,979.25x = 49,468.88 × 8,355.25
  4. Step 4: Simplify right side
    32,979.25x = 413,324,859.62
  5. Step 5: Solve for x
    x = 413,324,859.62/32,979.25
  6. Step 6: Final answer
    x = 12,532.88

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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.