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Finding the Fourth Proportional to 29,896.68, 44,865.90 and 12,366.66

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Solution

The fourth proportional to 29,896.68, 44,865.90 and 12,366.66 is: 18,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896.68 : 44,865.90 = 12,366.66 : x
  2. Step 2: Convert to fraction form
    29,896.68/44,865.90 = 12,366.66/x
  3. Step 3: Cross multiply
    29,896.68x = 44,865.90 × 12,366.66
  4. Step 4: Simplify right side
    29,896.68x = 554,841,330.89
  5. Step 5: Solve for x
    x = 554,841,330.89/29,896.68
  6. Step 6: Final answer
    x = 18,558.63

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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.