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Finding the Fourth Proportional to 29,812.89, 44,724.74 and 12,273.15

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Solution

The fourth proportional to 29,812.89, 44,724.74 and 12,273.15 is: 18,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.89 : 44,724.74 = 12,273.15 : x
  2. Step 2: Convert to fraction form
    29,812.89/44,724.74 = 12,273.15/x
  3. Step 3: Cross multiply
    29,812.89x = 44,724.74 × 12,273.15
  4. Step 4: Simplify right side
    29,812.89x = 548,913,381.37
  5. Step 5: Solve for x
    x = 548,913,381.37/29,812.89
  6. Step 6: Final answer
    x = 18,411.95

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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.