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Finding the Fourth Proportional to 2,849.99, 4,274.99 and 902.35

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Solution

The fourth proportional to 2,849.99, 4,274.99 and 902.35 is: 1,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.99 : 4,274.99 = 902.35 : x
  2. Step 2: Convert to fraction form
    2,849.99/4,274.99 = 902.35/x
  3. Step 3: Cross multiply
    2,849.99x = 4,274.99 × 902.35
  4. Step 4: Simplify right side
    2,849.99x = 3,857,537.23
  5. Step 5: Solve for x
    x = 3,857,537.23/2,849.99
  6. Step 6: Final answer
    x = 1,353.53

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Similar ratio
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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.