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Finding the Fourth Proportional to 6,249.72, 9,389.16 and 3,654.48

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Solution

The fourth proportional to 6,249.72, 9,389.16 and 3,654.48 is: 5,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.72 : 9,389.16 = 3,654.48 : x
  2. Step 2: Convert to fraction form
    6,249.72/9,389.16 = 3,654.48/x
  3. Step 3: Cross multiply
    6,249.72x = 9,389.16 × 3,654.48
  4. Step 4: Simplify right side
    6,249.72x = 34,312,497.44
  5. Step 5: Solve for x
    x = 34,312,497.44/6,249.72
  6. Step 6: Final answer
    x = 5,490.25

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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.