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Finding the Fourth Proportional to 6,548.91, 9,034.30 and 3,894.42

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Solution

The fourth proportional to 6,548.91, 9,034.30 and 3,894.42 is: 5,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,548.91 : 9,034.30 = 3,894.42 : x
  2. Step 2: Convert to fraction form
    6,548.91/9,034.30 = 3,894.42/x
  3. Step 3: Cross multiply
    6,548.91x = 9,034.30 × 3,894.42
  4. Step 4: Simplify right side
    6,548.91x = 35,183,358.61
  5. Step 5: Solve for x
    x = 35,183,358.61/6,548.91
  6. Step 6: Final answer
    x = 5,372.40

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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.