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Finding the Fourth Proportional to 53,665.66, 80,393.77 and 35,141.50

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Solution

The fourth proportional to 53,665.66, 80,393.77 and 35,141.50 is: 52,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.66 : 80,393.77 = 35,141.50 : x
  2. Step 2: Convert to fraction form
    53,665.66/80,393.77 = 35,141.50/x
  3. Step 3: Cross multiply
    53,665.66x = 80,393.77 × 35,141.50
  4. Step 4: Simplify right side
    53,665.66x = 2,825,157,668.46
  5. Step 5: Solve for x
    x = 2,825,157,668.46/53,665.66
  6. Step 6: Final answer
    x = 52,643.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.