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Finding the Fourth Proportional to 8,604.54, 12,916.53 and 3,414.06

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Solution

The fourth proportional to 8,604.54, 12,916.53 and 3,414.06 is: 5,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.54 : 12,916.53 = 3,414.06 : x
  2. Step 2: Convert to fraction form
    8,604.54/12,916.53 = 3,414.06/x
  3. Step 3: Cross multiply
    8,604.54x = 12,916.53 × 3,414.06
  4. Step 4: Simplify right side
    8,604.54x = 44,097,808.41
  5. Step 5: Solve for x
    x = 44,097,808.41/8,604.54
  6. Step 6: Final answer
    x = 5,124.95

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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.