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Finding the Fourth Proportional to 61,621.72, 92,425.44 and 17,252.02

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Solution

The fourth proportional to 61,621.72, 92,425.44 and 17,252.02 is: 25,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,621.72 : 92,425.44 = 17,252.02 : x
  2. Step 2: Convert to fraction form
    61,621.72/92,425.44 = 17,252.02/x
  3. Step 3: Cross multiply
    61,621.72x = 92,425.44 × 17,252.02
  4. Step 4: Simplify right side
    61,621.72x = 1,594,525,539.39
  5. Step 5: Solve for x
    x = 1,594,525,539.39/61,621.72
  6. Step 6: Final answer
    x = 25,876.03

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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.