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Finding the Fourth Proportional to 6,253.20, 8,629.20 and 3,458.52

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Solution

The fourth proportional to 6,253.20, 8,629.20 and 3,458.52 is: 4,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.20 : 8,629.20 = 3,458.52 : x
  2. Step 2: Convert to fraction form
    6,253.20/8,629.20 = 3,458.52/x
  3. Step 3: Cross multiply
    6,253.20x = 8,629.20 × 3,458.52
  4. Step 4: Simplify right side
    6,253.20x = 29,844,260.78
  5. Step 5: Solve for x
    x = 29,844,260.78/6,253.20
  6. Step 6: Final answer
    x = 4,772.64

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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.