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Finding the Fourth Proportional to 61,743.74, 85,206.94 and 33,449.63

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Solution

The fourth proportional to 61,743.74, 85,206.94 and 33,449.63 is: 46,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,743.74 : 85,206.94 = 33,449.63 : x
  2. Step 2: Convert to fraction form
    61,743.74/85,206.94 = 33,449.63/x
  3. Step 3: Cross multiply
    61,743.74x = 85,206.94 × 33,449.63
  4. Step 4: Simplify right side
    61,743.74x = 2,850,140,106.77
  5. Step 5: Solve for x
    x = 2,850,140,106.77/61,743.74
  6. Step 6: Final answer
    x = 46,160.80

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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.