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Finding the Fourth Proportional to 61,437.57, 92,178.57 and 21,462.48

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Solution

The fourth proportional to 61,437.57, 92,178.57 and 21,462.48 is: 32,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,437.57 : 92,178.57 = 21,462.48 : x
  2. Step 2: Convert to fraction form
    61,437.57/92,178.57 = 21,462.48/x
  3. Step 3: Cross multiply
    61,437.57x = 92,178.57 × 21,462.48
  4. Step 4: Simplify right side
    61,437.57x = 1,978,380,715.05
  5. Step 5: Solve for x
    x = 1,978,380,715.05/61,437.57
  6. Step 6: Final answer
    x = 32,201.48

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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.