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Finding the Fourth Proportional to 29,168.10, 43,752.15 and 12,525.30

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Solution

The fourth proportional to 29,168.10, 43,752.15 and 12,525.30 is: 18,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.10 : 43,752.15 = 12,525.30 : x
  2. Step 2: Convert to fraction form
    29,168.10/43,752.15 = 12,525.30/x
  3. Step 3: Cross multiply
    29,168.10x = 43,752.15 × 12,525.30
  4. Step 4: Simplify right side
    29,168.10x = 548,008,804.40
  5. Step 5: Solve for x
    x = 548,008,804.40/29,168.10
  6. Step 6: Final answer
    x = 18,787.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.