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Finding the Fourth Proportional to 29,885.10, 44,811.45 and 12,335.10

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Solution

The fourth proportional to 29,885.10, 44,811.45 and 12,335.10 is: 18,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,885.10 : 44,811.45 = 12,335.10 : x
  2. Step 2: Convert to fraction form
    29,885.10/44,811.45 = 12,335.10/x
  3. Step 3: Cross multiply
    29,885.10x = 44,811.45 × 12,335.10
  4. Step 4: Simplify right side
    29,885.10x = 552,753,716.90
  5. Step 5: Solve for x
    x = 552,753,716.90/29,885.10
  6. Step 6: Final answer
    x = 18,495.96

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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.