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Finding the Fourth Proportional to 29,773.76, 44,664.16 and 13,126.72

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Solution

The fourth proportional to 29,773.76, 44,664.16 and 13,126.72 is: 19,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,773.76 : 44,664.16 = 13,126.72 : x
  2. Step 2: Convert to fraction form
    29,773.76/44,664.16 = 13,126.72/x
  3. Step 3: Cross multiply
    29,773.76x = 44,664.16 × 13,126.72
  4. Step 4: Simplify right side
    29,773.76x = 586,293,922.36
  5. Step 5: Solve for x
    x = 586,293,922.36/29,773.76
  6. Step 6: Final answer
    x = 19,691.63

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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.