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Finding the Fourth Proportional to 6,249.03, 8,620.25 and 4,008.42

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Solution

The fourth proportional to 6,249.03, 8,620.25 and 4,008.42 is: 5,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.03 : 8,620.25 = 4,008.42 : x
  2. Step 2: Convert to fraction form
    6,249.03/8,620.25 = 4,008.42/x
  3. Step 3: Cross multiply
    6,249.03x = 8,620.25 × 4,008.42
  4. Step 4: Simplify right side
    6,249.03x = 34,553,582.51
  5. Step 5: Solve for x
    x = 34,553,582.51/6,249.03
  6. Step 6: Final answer
    x = 5,529.43

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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.