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Finding the Fourth Proportional to 4,745.70, 6,549.39 and 2,649.42

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Solution

The fourth proportional to 4,745.70, 6,549.39 and 2,649.42 is: 3,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.70 : 6,549.39 = 2,649.42 : x
  2. Step 2: Convert to fraction form
    4,745.70/6,549.39 = 2,649.42/x
  3. Step 3: Cross multiply
    4,745.70x = 6,549.39 × 2,649.42
  4. Step 4: Simplify right side
    4,745.70x = 17,352,084.85
  5. Step 5: Solve for x
    x = 17,352,084.85/4,745.70
  6. Step 6: Final answer
    x = 3,656.38

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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.