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Finding the Fourth Proportional to 80,003.60, 110,365.80 and 51,733.52

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Solution

The fourth proportional to 80,003.60, 110,365.80 and 51,733.52 is: 71,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,003.60 : 110,365.80 = 51,733.52 : x
  2. Step 2: Convert to fraction form
    80,003.60/110,365.80 = 51,733.52/x
  3. Step 3: Cross multiply
    80,003.60x = 110,365.80 × 51,733.52
  4. Step 4: Simplify right side
    80,003.60x = 5,709,611,321.62
  5. Step 5: Solve for x
    x = 5,709,611,321.62/80,003.60
  6. Step 6: Final answer
    x = 71,366.93

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1.5x scale

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.