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Finding the Fourth Proportional to 6,253.80, 8,629.62 and 3,459.12

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Solution

The fourth proportional to 6,253.80, 8,629.62 and 3,459.12 is: 4,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.80 : 8,629.62 = 3,459.12 : x
  2. Step 2: Convert to fraction form
    6,253.80/8,629.62 = 3,459.12/x
  3. Step 3: Cross multiply
    6,253.80x = 8,629.62 × 3,459.12
  4. Step 4: Simplify right side
    6,253.80x = 29,850,891.13
  5. Step 5: Solve for x
    x = 29,850,891.13/6,253.80
  6. Step 6: Final answer
    x = 4,773.24

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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.