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Finding the Fourth Proportional to 61,685.01, 92,533.31 and 17,311.56

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Solution

The fourth proportional to 61,685.01, 92,533.31 and 17,311.56 is: 25,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,685.01 : 92,533.31 = 17,311.56 : x
  2. Step 2: Convert to fraction form
    61,685.01/92,533.31 = 17,311.56/x
  3. Step 3: Cross multiply
    61,685.01x = 92,533.31 × 17,311.56
  4. Step 4: Simplify right side
    61,685.01x = 1,601,895,861.51
  5. Step 5: Solve for x
    x = 1,601,895,861.51/61,685.01
  6. Step 6: Final answer
    x = 25,968.96

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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.