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Finding the Fourth Proportional to 6,383.79, 9,519.82 and 6,325.47

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Solution

The fourth proportional to 6,383.79, 9,519.82 and 6,325.47 is: 9,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.79 : 9,519.82 = 6,325.47 : x
  2. Step 2: Convert to fraction form
    6,383.79/9,519.82 = 6,325.47/x
  3. Step 3: Cross multiply
    6,383.79x = 9,519.82 × 6,325.47
  4. Step 4: Simplify right side
    6,383.79x = 60,217,320.00
  5. Step 5: Solve for x
    x = 60,217,320.00/6,383.79
  6. Step 6: Final answer
    x = 9,432.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.