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Finding the Fourth Proportional to 35,543.94, 48,993.24 and 30,932.93

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Solution

The fourth proportional to 35,543.94, 48,993.24 and 30,932.93 is: 42,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.94 : 48,993.24 = 30,932.93 : x
  2. Step 2: Convert to fraction form
    35,543.94/48,993.24 = 30,932.93/x
  3. Step 3: Cross multiply
    35,543.94x = 48,993.24 × 30,932.93
  4. Step 4: Simplify right side
    35,543.94x = 1,515,504,218.43
  5. Step 5: Solve for x
    x = 1,515,504,218.43/35,543.94
  6. Step 6: Final answer
    x = 42,637.49

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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.