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Finding the Fourth Proportional to 6,651.43, 9,182.91 and 5,913.39

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Solution

The fourth proportional to 6,651.43, 9,182.91 and 5,913.39 is: 8,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.43 : 9,182.91 = 5,913.39 : x
  2. Step 2: Convert to fraction form
    6,651.43/9,182.91 = 5,913.39/x
  3. Step 3: Cross multiply
    6,651.43x = 9,182.91 × 5,913.39
  4. Step 4: Simplify right side
    6,651.43x = 54,302,128.16
  5. Step 5: Solve for x
    x = 54,302,128.16/6,651.43
  6. Step 6: Final answer
    x = 8,163.98

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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.