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Finding the Fourth Proportional to 4,957.13, 6,843.99 and 4,425.08

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Solution

The fourth proportional to 4,957.13, 6,843.99 and 4,425.08 is: 6,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.13 : 6,843.99 = 4,425.08 : x
  2. Step 2: Convert to fraction form
    4,957.13/6,843.99 = 4,425.08/x
  3. Step 3: Cross multiply
    4,957.13x = 6,843.99 × 4,425.08
  4. Step 4: Simplify right side
    4,957.13x = 30,285,169.05
  5. Step 5: Solve for x
    x = 30,285,169.05/4,957.13
  6. Step 6: Final answer
    x = 6,109.42

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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.