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Finding the Fourth Proportional to 6,685.52, 9,227.86 and 4,448.70

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Solution

The fourth proportional to 6,685.52, 9,227.86 and 4,448.70 is: 6,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.52 : 9,227.86 = 4,448.70 : x
  2. Step 2: Convert to fraction form
    6,685.52/9,227.86 = 4,448.70/x
  3. Step 3: Cross multiply
    6,685.52x = 9,227.86 × 4,448.70
  4. Step 4: Simplify right side
    6,685.52x = 41,051,969.66
  5. Step 5: Solve for x
    x = 41,051,969.66/6,685.52
  6. Step 6: Final answer
    x = 6,140.43

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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.