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Finding the Fourth Proportional to 3,425.99, 4,728.01 and 1,933.91

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Solution

The fourth proportional to 3,425.99, 4,728.01 and 1,933.91 is: 2,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.99 : 4,728.01 = 1,933.91 : x
  2. Step 2: Convert to fraction form
    3,425.99/4,728.01 = 1,933.91/x
  3. Step 3: Cross multiply
    3,425.99x = 4,728.01 × 1,933.91
  4. Step 4: Simplify right side
    3,425.99x = 9,143,545.82
  5. Step 5: Solve for x
    x = 9,143,545.82/3,425.99
  6. Step 6: Final answer
    x = 2,668.88

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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.