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Finding the Fourth Proportional to 8,360.76, 12,538.22 and 2,436.02

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Solution

The fourth proportional to 8,360.76, 12,538.22 and 2,436.02 is: 3,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.76 : 12,538.22 = 2,436.02 : x
  2. Step 2: Convert to fraction form
    8,360.76/12,538.22 = 2,436.02/x
  3. Step 3: Cross multiply
    8,360.76x = 12,538.22 × 2,436.02
  4. Step 4: Simplify right side
    8,360.76x = 30,543,354.68
  5. Step 5: Solve for x
    x = 30,543,354.68/8,360.76
  6. Step 6: Final answer
    x = 3,653.18

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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.