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Finding the Fourth Proportional to 61,950.90, 85,493.26 and 33,656.60

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Solution

The fourth proportional to 61,950.90, 85,493.26 and 33,656.60 is: 46,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,950.90 : 85,493.26 = 33,656.60 : x
  2. Step 2: Convert to fraction form
    61,950.90/85,493.26 = 33,656.60/x
  3. Step 3: Cross multiply
    61,950.90x = 85,493.26 × 33,656.60
  4. Step 4: Simplify right side
    61,950.90x = 2,877,412,454.52
  5. Step 5: Solve for x
    x = 2,877,412,454.52/61,950.90
  6. Step 6: Final answer
    x = 46,446.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.