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Finding the Fourth Proportional to 54,236.04, 74,808.06 and 46,149

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Solution

The fourth proportional to 54,236.04, 74,808.06 and 46,149 is: 63,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.04 : 74,808.06 = 46,149 : x
  2. Step 2: Convert to fraction form
    54,236.04/74,808.06 = 46,149/x
  3. Step 3: Cross multiply
    54,236.04x = 74,808.06 × 46,149
  4. Step 4: Simplify right side
    54,236.04x = 3,452,317,160.94
  5. Step 5: Solve for x
    x = 3,452,317,160.94/54,236.04
  6. Step 6: Final answer
    x = 63,653.56

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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.