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Finding the Fourth Proportional to 6,364.60, 9,536.46 and 6,121.60

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Solution

The fourth proportional to 6,364.60, 9,536.46 and 6,121.60 is: 9,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.60 : 9,536.46 = 6,121.60 : x
  2. Step 2: Convert to fraction form
    6,364.60/9,536.46 = 6,121.60/x
  3. Step 3: Cross multiply
    6,364.60x = 9,536.46 × 6,121.60
  4. Step 4: Simplify right side
    6,364.60x = 58,378,393.54
  5. Step 5: Solve for x
    x = 58,378,393.54/6,364.60
  6. Step 6: Final answer
    x = 9,172.36

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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.