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Finding the Fourth Proportional to 61,485.54, 92,238.82 and 28,208.46

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Solution

The fourth proportional to 61,485.54, 92,238.82 and 28,208.46 is: 42,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,485.54 : 92,238.82 = 28,208.46 : x
  2. Step 2: Convert to fraction form
    61,485.54/92,238.82 = 28,208.46/x
  3. Step 3: Cross multiply
    61,485.54x = 92,238.82 × 28,208.46
  4. Step 4: Simplify right side
    61,485.54x = 2,601,914,608.83
  5. Step 5: Solve for x
    x = 2,601,914,608.83/61,485.54
  6. Step 6: Final answer
    x = 42,317.50

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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.