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Finding the Fourth Proportional to 54,107.88, 74,764.26 and 41,640.36

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Solution

The fourth proportional to 54,107.88, 74,764.26 and 41,640.36 is: 57,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.88 : 74,764.26 = 41,640.36 : x
  2. Step 2: Convert to fraction form
    54,107.88/74,764.26 = 41,640.36/x
  3. Step 3: Cross multiply
    54,107.88x = 74,764.26 × 41,640.36
  4. Step 4: Simplify right side
    54,107.88x = 3,113,210,701.53
  5. Step 5: Solve for x
    x = 3,113,210,701.53/54,107.88
  6. Step 6: Final answer
    x = 57,537.10

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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.