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Finding the Fourth Proportional to 53,896.88, 74,372.87 and 30,023.04

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Solution

The fourth proportional to 53,896.88, 74,372.87 and 30,023.04 is: 41,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.88 : 74,372.87 = 30,023.04 : x
  2. Step 2: Convert to fraction form
    53,896.88/74,372.87 = 30,023.04/x
  3. Step 3: Cross multiply
    53,896.88x = 74,372.87 × 30,023.04
  4. Step 4: Simplify right side
    53,896.88x = 2,232,899,500.81
  5. Step 5: Solve for x
    x = 2,232,899,500.81/53,896.88
  6. Step 6: Final answer
    x = 41,429.11

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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.