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Finding the Fourth Proportional to 2,934.55, 4,401.83 and 882.55

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Solution

The fourth proportional to 2,934.55, 4,401.83 and 882.55 is: 1,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.55 : 4,401.83 = 882.55 : x
  2. Step 2: Convert to fraction form
    2,934.55/4,401.83 = 882.55/x
  3. Step 3: Cross multiply
    2,934.55x = 4,401.83 × 882.55
  4. Step 4: Simplify right side
    2,934.55x = 3,884,835.07
  5. Step 5: Solve for x
    x = 3,884,835.07/2,934.55
  6. Step 6: Final answer
    x = 1,323.83

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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.