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Finding the Fourth Proportional to 61,475.40, 92,235.10 and 25,945.56

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Solution

The fourth proportional to 61,475.40, 92,235.10 and 25,945.56 is: 38,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,475.40 : 92,235.10 = 25,945.56 : x
  2. Step 2: Convert to fraction form
    61,475.40/92,235.10 = 25,945.56/x
  3. Step 3: Cross multiply
    61,475.40x = 92,235.10 × 25,945.56
  4. Step 4: Simplify right side
    61,475.40x = 2,393,091,321.16
  5. Step 5: Solve for x
    x = 2,393,091,321.16/61,475.40
  6. Step 6: Final answer
    x = 38,927.63

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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.