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Finding the Fourth Proportional to 74,372, 111,534.34 and 24,440.54

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Solution

The fourth proportional to 74,372, 111,534.34 and 24,440.54 is: 36,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372 : 111,534.34 = 24,440.54 : x
  2. Step 2: Convert to fraction form
    74,372/111,534.34 = 24,440.54/x
  3. Step 3: Cross multiply
    74,372x = 111,534.34 × 24,440.54
  4. Step 4: Simplify right side
    74,372x = 2,725,959,498.14
  5. Step 5: Solve for x
    x = 2,725,959,498.14/74,372
  6. Step 6: Final answer
    x = 36,653.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.