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Finding the Fourth Proportional to 54,868.96, 75,719.20 and 29,718.56

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Solution

The fourth proportional to 54,868.96, 75,719.20 and 29,718.56 is: 41,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.96 : 75,719.20 = 29,718.56 : x
  2. Step 2: Convert to fraction form
    54,868.96/75,719.20 = 29,718.56/x
  3. Step 3: Cross multiply
    54,868.96x = 75,719.20 × 29,718.56
  4. Step 4: Simplify right side
    54,868.96x = 2,250,265,588.35
  5. Step 5: Solve for x
    x = 2,250,265,588.35/54,868.96
  6. Step 6: Final answer
    x = 41,011.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.