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Finding the Fourth Proportional to 24,410.76, 36,620.16 and 8,611.32

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Solution

The fourth proportional to 24,410.76, 36,620.16 and 8,611.32 is: 12,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,410.76 : 36,620.16 = 8,611.32 : x
  2. Step 2: Convert to fraction form
    24,410.76/36,620.16 = 8,611.32/x
  3. Step 3: Cross multiply
    24,410.76x = 36,620.16 × 8,611.32
  4. Step 4: Simplify right side
    24,410.76x = 315,347,916.21
  5. Step 5: Solve for x
    x = 315,347,916.21/24,410.76
  6. Step 6: Final answer
    x = 12,918.40

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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.