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Finding the Fourth Proportional to 8,755, 13,134.66 and 2,599

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Solution

The fourth proportional to 8,755, 13,134.66 and 2,599 is: 3,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755 : 13,134.66 = 2,599 : x
  2. Step 2: Convert to fraction form
    8,755/13,134.66 = 2,599/x
  3. Step 3: Cross multiply
    8,755x = 13,134.66 × 2,599
  4. Step 4: Simplify right side
    8,755x = 34,136,981.34
  5. Step 5: Solve for x
    x = 34,136,981.34/8,755
  6. Step 6: Final answer
    x = 3,899.14

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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.