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Finding the Fourth Proportional to 3,599.73, 5,393.64 and 1,647.63

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Solution

The fourth proportional to 3,599.73, 5,393.64 and 1,647.63 is: 2,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.73 : 5,393.64 = 1,647.63 : x
  2. Step 2: Convert to fraction form
    3,599.73/5,393.64 = 1,647.63/x
  3. Step 3: Cross multiply
    3,599.73x = 5,393.64 × 1,647.63
  4. Step 4: Simplify right side
    3,599.73x = 8,886,723.07
  5. Step 5: Solve for x
    x = 8,886,723.07/3,599.73
  6. Step 6: Final answer
    x = 2,468.72

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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.