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Finding the Fourth Proportional to 3,083.60, 4,600.18 and 2,651.60

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Solution

The fourth proportional to 3,083.60, 4,600.18 and 2,651.60 is: 3,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.60 : 4,600.18 = 2,651.60 : x
  2. Step 2: Convert to fraction form
    3,083.60/4,600.18 = 2,651.60/x
  3. Step 3: Cross multiply
    3,083.60x = 4,600.18 × 2,651.60
  4. Step 4: Simplify right side
    3,083.60x = 12,197,837.29
  5. Step 5: Solve for x
    x = 12,197,837.29/3,083.60
  6. Step 6: Final answer
    x = 3,955.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.