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Finding the Fourth Proportional to 54,815, 75,717.31 and 44,100.22

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Solution

The fourth proportional to 54,815, 75,717.31 and 44,100.22 is: 60,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815 : 75,717.31 = 44,100.22 : x
  2. Step 2: Convert to fraction form
    54,815/75,717.31 = 44,100.22/x
  3. Step 3: Cross multiply
    54,815x = 75,717.31 × 44,100.22
  4. Step 4: Simplify right side
    54,815x = 3,339,150,028.81
  5. Step 5: Solve for x
    x = 3,339,150,028.81/54,815
  6. Step 6: Final answer
    x = 60,916.72

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1.5x scale

Why These Related Problems?

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