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Finding the Fourth Proportional to 40,687.71, 60,754.63 and 35,903.95

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Solution

The fourth proportional to 40,687.71, 60,754.63 and 35,903.95 is: 53,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.71 : 60,754.63 = 35,903.95 : x
  2. Step 2: Convert to fraction form
    40,687.71/60,754.63 = 35,903.95/x
  3. Step 3: Cross multiply
    40,687.71x = 60,754.63 × 35,903.95
  4. Step 4: Simplify right side
    40,687.71x = 2,181,331,197.79
  5. Step 5: Solve for x
    x = 2,181,331,197.79/40,687.71
  6. Step 6: Final answer
    x = 53,611.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.