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Finding the Fourth Proportional to 2,681.99, 4,023.59 and 950.61

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Solution

The fourth proportional to 2,681.99, 4,023.59 and 950.61 is: 1,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.99 : 4,023.59 = 950.61 : x
  2. Step 2: Convert to fraction form
    2,681.99/4,023.59 = 950.61/x
  3. Step 3: Cross multiply
    2,681.99x = 4,023.59 × 950.61
  4. Step 4: Simplify right side
    2,681.99x = 3,824,860.14
  5. Step 5: Solve for x
    x = 3,824,860.14/2,681.99
  6. Step 6: Final answer
    x = 1,426.13

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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.