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Finding the Fourth Proportional to 6,633.39, 9,149.37 and 5,631.74

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Solution

The fourth proportional to 6,633.39, 9,149.37 and 5,631.74 is: 7,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.39 : 9,149.37 = 5,631.74 : x
  2. Step 2: Convert to fraction form
    6,633.39/9,149.37 = 5,631.74/x
  3. Step 3: Cross multiply
    6,633.39x = 9,149.37 × 5,631.74
  4. Step 4: Simplify right side
    6,633.39x = 51,526,827.26
  5. Step 5: Solve for x
    x = 51,526,827.26/6,633.39
  6. Step 6: Final answer
    x = 7,767.80

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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.