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Finding the Fourth Proportional to 53,610.60, 80,415.90 and 41,193.30

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Solution

The fourth proportional to 53,610.60, 80,415.90 and 41,193.30 is: 61,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.60 : 80,415.90 = 41,193.30 : x
  2. Step 2: Convert to fraction form
    53,610.60/80,415.90 = 41,193.30/x
  3. Step 3: Cross multiply
    53,610.60x = 80,415.90 × 41,193.30
  4. Step 4: Simplify right side
    53,610.60x = 3,312,596,293.47
  5. Step 5: Solve for x
    x = 3,312,596,293.47/53,610.60
  6. Step 6: Final answer
    x = 61,789.95

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Similar ratio
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1.5x scale

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.