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Finding the Fourth Proportional to 34,684.10, 52,026.17 and 8,388.87

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Solution

The fourth proportional to 34,684.10, 52,026.17 and 8,388.87 is: 12,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,684.10 : 52,026.17 = 8,388.87 : x
  2. Step 2: Convert to fraction form
    34,684.10/52,026.17 = 8,388.87/x
  3. Step 3: Cross multiply
    34,684.10x = 52,026.17 × 8,388.87
  4. Step 4: Simplify right side
    34,684.10x = 436,440,539.69
  5. Step 5: Solve for x
    x = 436,440,539.69/34,684.10
  6. Step 6: Final answer
    x = 12,583.30

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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.