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Finding the Fourth Proportional to 29,892.66, 44,812.26 and 12,351.30

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Solution

The fourth proportional to 29,892.66, 44,812.26 and 12,351.30 is: 18,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.66 : 44,812.26 = 12,351.30 : x
  2. Step 2: Convert to fraction form
    29,892.66/44,812.26 = 12,351.30/x
  3. Step 3: Cross multiply
    29,892.66x = 44,812.26 × 12,351.30
  4. Step 4: Simplify right side
    29,892.66x = 553,489,666.94
  5. Step 5: Solve for x
    x = 553,489,666.94/29,892.66
  6. Step 6: Final answer
    x = 18,515.91

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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.