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Finding the Fourth Proportional to 61,415.72, 92,123.63 and 17,042.52

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Solution

The fourth proportional to 61,415.72, 92,123.63 and 17,042.52 is: 25,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,415.72 : 92,123.63 = 17,042.52 : x
  2. Step 2: Convert to fraction form
    61,415.72/92,123.63 = 17,042.52/x
  3. Step 3: Cross multiply
    61,415.72x = 92,123.63 × 17,042.52
  4. Step 4: Simplify right side
    61,415.72x = 1,570,018,408.03
  5. Step 5: Solve for x
    x = 1,570,018,408.03/61,415.72
  6. Step 6: Final answer
    x = 25,563.79

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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.