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Finding the Fourth Proportional to 61,866.12, 92,791.54 and 26,341.72

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Solution

The fourth proportional to 61,866.12, 92,791.54 and 26,341.72 is: 39,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.12 : 92,791.54 = 26,341.72 : x
  2. Step 2: Convert to fraction form
    61,866.12/92,791.54 = 26,341.72/x
  3. Step 3: Cross multiply
    61,866.12x = 92,791.54 × 26,341.72
  4. Step 4: Simplify right side
    61,866.12x = 2,444,288,765.05
  5. Step 5: Solve for x
    x = 2,444,288,765.05/61,866.12
  6. Step 6: Final answer
    x = 39,509.33

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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.