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Finding the Fourth Proportional to 2,934.99, 4,391.99 and 2,549.53

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Solution

The fourth proportional to 2,934.99, 4,391.99 and 2,549.53 is: 3,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.99 : 4,391.99 = 2,549.53 : x
  2. Step 2: Convert to fraction form
    2,934.99/4,391.99 = 2,549.53/x
  3. Step 3: Cross multiply
    2,934.99x = 4,391.99 × 2,549.53
  4. Step 4: Simplify right side
    2,934.99x = 11,197,510.26
  5. Step 5: Solve for x
    x = 11,197,510.26/2,934.99
  6. Step 6: Final answer
    x = 3,815.18

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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.