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Finding the Fourth Proportional to 61,669.17, 85,103.60 and 33,374.93

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Solution

The fourth proportional to 61,669.17, 85,103.60 and 33,374.93 is: 46,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.17 : 85,103.60 = 33,374.93 : x
  2. Step 2: Convert to fraction form
    61,669.17/85,103.60 = 33,374.93/x
  3. Step 3: Cross multiply
    61,669.17x = 85,103.60 × 33,374.93
  4. Step 4: Simplify right side
    61,669.17x = 2,840,326,100.36
  5. Step 5: Solve for x
    x = 2,840,326,100.36/61,669.17
  6. Step 6: Final answer
    x = 46,057.47

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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.