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Finding the Fourth Proportional to 6,322.52, 9,484.90 and 2,161.55

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Solution

The fourth proportional to 6,322.52, 9,484.90 and 2,161.55 is: 3,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.52 : 9,484.90 = 2,161.55 : x
  2. Step 2: Convert to fraction form
    6,322.52/9,484.90 = 2,161.55/x
  3. Step 3: Cross multiply
    6,322.52x = 9,484.90 × 2,161.55
  4. Step 4: Simplify right side
    6,322.52x = 20,502,103.90
  5. Step 5: Solve for x
    x = 20,502,103.90/6,322.52
  6. Step 6: Final answer
    x = 3,242.71

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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.