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Finding the Fourth Proportional to 54,316.44, 74,935.02 and 31,652.04

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Solution

The fourth proportional to 54,316.44, 74,935.02 and 31,652.04 is: 43,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.44 : 74,935.02 = 31,652.04 : x
  2. Step 2: Convert to fraction form
    54,316.44/74,935.02 = 31,652.04/x
  3. Step 3: Cross multiply
    54,316.44x = 74,935.02 × 31,652.04
  4. Step 4: Simplify right side
    54,316.44x = 2,371,846,250.44
  5. Step 5: Solve for x
    x = 2,371,846,250.44/54,316.44
  6. Step 6: Final answer
    x = 43,667.19

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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.