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Finding the Fourth Proportional to 61,040.44, 91,619.72 and 29,472.64

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Solution

The fourth proportional to 61,040.44, 91,619.72 and 29,472.64 is: 44,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040.44 : 91,619.72 = 29,472.64 : x
  2. Step 2: Convert to fraction form
    61,040.44/91,619.72 = 29,472.64/x
  3. Step 3: Cross multiply
    61,040.44x = 91,619.72 × 29,472.64
  4. Step 4: Simplify right side
    61,040.44x = 2,700,275,024.46
  5. Step 5: Solve for x
    x = 2,700,275,024.46/61,040.44
  6. Step 6: Final answer
    x = 44,237.48

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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.