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Finding the Fourth Proportional to 23,328.05, 34,982.10 and 8,892.90

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Solution

The fourth proportional to 23,328.05, 34,982.10 and 8,892.90 is: 13,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.05 : 34,982.10 = 8,892.90 : x
  2. Step 2: Convert to fraction form
    23,328.05/34,982.10 = 8,892.90/x
  3. Step 3: Cross multiply
    23,328.05x = 34,982.10 × 8,892.90
  4. Step 4: Simplify right side
    23,328.05x = 311,092,317.09
  5. Step 5: Solve for x
    x = 311,092,317.09/23,328.05
  6. Step 6: Final answer
    x = 13,335.55

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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.