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Finding the Fourth Proportional to 3,658.88, 5,483.44 and 1,348.16

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Solution

The fourth proportional to 3,658.88, 5,483.44 and 1,348.16 is: 2,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.88 : 5,483.44 = 1,348.16 : x
  2. Step 2: Convert to fraction form
    3,658.88/5,483.44 = 1,348.16/x
  3. Step 3: Cross multiply
    3,658.88x = 5,483.44 × 1,348.16
  4. Step 4: Simplify right side
    3,658.88x = 7,392,554.47
  5. Step 5: Solve for x
    x = 7,392,554.47/3,658.88
  6. Step 6: Final answer
    x = 2,020.44

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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.