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Finding the Fourth Proportional to 6,448.47, 9,673.22 and 2,750.73

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Solution

The fourth proportional to 6,448.47, 9,673.22 and 2,750.73 is: 4,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.47 : 9,673.22 = 2,750.73 : x
  2. Step 2: Convert to fraction form
    6,448.47/9,673.22 = 2,750.73/x
  3. Step 3: Cross multiply
    6,448.47x = 9,673.22 × 2,750.73
  4. Step 4: Simplify right side
    6,448.47x = 26,608,416.45
  5. Step 5: Solve for x
    x = 26,608,416.45/6,448.47
  6. Step 6: Final answer
    x = 4,126.31

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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.