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Finding the Fourth Proportional to 7,605.68, 11,408.92 and 2,411.96

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Solution

The fourth proportional to 7,605.68, 11,408.92 and 2,411.96 is: 3,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.68 : 11,408.92 = 2,411.96 : x
  2. Step 2: Convert to fraction form
    7,605.68/11,408.92 = 2,411.96/x
  3. Step 3: Cross multiply
    7,605.68x = 11,408.92 × 2,411.96
  4. Step 4: Simplify right side
    7,605.68x = 27,517,858.68
  5. Step 5: Solve for x
    x = 27,517,858.68/7,605.68
  6. Step 6: Final answer
    x = 3,618.07

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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.