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Finding the Fourth Proportional to 5,601.48, 7,729.20 and 3,363

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Solution

The fourth proportional to 5,601.48, 7,729.20 and 3,363 is: 4,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.48 : 7,729.20 = 3,363 : x
  2. Step 2: Convert to fraction form
    5,601.48/7,729.20 = 3,363/x
  3. Step 3: Cross multiply
    5,601.48x = 7,729.20 × 3,363
  4. Step 4: Simplify right side
    5,601.48x = 25,993,299.60
  5. Step 5: Solve for x
    x = 25,993,299.60/5,601.48
  6. Step 6: Final answer
    x = 4,640.43

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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.