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Finding the Fourth Proportional to 61,576.72, 92,374.80 and 20,014

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Solution

The fourth proportional to 61,576.72, 92,374.80 and 20,014 is: 30,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,576.72 : 92,374.80 = 20,014 : x
  2. Step 2: Convert to fraction form
    61,576.72/92,374.80 = 20,014/x
  3. Step 3: Cross multiply
    61,576.72x = 92,374.80 × 20,014
  4. Step 4: Simplify right side
    61,576.72x = 1,848,789,247.20
  5. Step 5: Solve for x
    x = 1,848,789,247.20/61,576.72
  6. Step 6: Final answer
    x = 30,024.16

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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.