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Finding the Fourth Proportional to 7,605.41, 11,409.20 and 2,340.87

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Solution

The fourth proportional to 7,605.41, 11,409.20 and 2,340.87 is: 3,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.41 : 11,409.20 = 2,340.87 : x
  2. Step 2: Convert to fraction form
    7,605.41/11,409.20 = 2,340.87/x
  3. Step 3: Cross multiply
    7,605.41x = 11,409.20 × 2,340.87
  4. Step 4: Simplify right side
    7,605.41x = 26,707,402.81
  5. Step 5: Solve for x
    x = 26,707,402.81/7,605.41
  6. Step 6: Final answer
    x = 3,511.63

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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.