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Finding the Fourth Proportional to 20,296.67, 30,448.04 and 6,255.52

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Solution

The fourth proportional to 20,296.67, 30,448.04 and 6,255.52 is: 9,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.67 : 30,448.04 = 6,255.52 : x
  2. Step 2: Convert to fraction form
    20,296.67/30,448.04 = 6,255.52/x
  3. Step 3: Cross multiply
    20,296.67x = 30,448.04 × 6,255.52
  4. Step 4: Simplify right side
    20,296.67x = 190,468,323.18
  5. Step 5: Solve for x
    x = 190,468,323.18/20,296.67
  6. Step 6: Final answer
    x = 9,384.22

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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.