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Finding the Fourth Proportional to 67,903.95, 93,703.03 and 37,687.82

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Solution

The fourth proportional to 67,903.95, 93,703.03 and 37,687.82 is: 52,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903.95 : 93,703.03 = 37,687.82 : x
  2. Step 2: Convert to fraction form
    67,903.95/93,703.03 = 37,687.82/x
  3. Step 3: Cross multiply
    67,903.95x = 93,703.03 × 37,687.82
  4. Step 4: Simplify right side
    67,903.95x = 3,531,462,365.36
  5. Step 5: Solve for x
    x = 3,531,462,365.36/67,903.95
  6. Step 6: Final answer
    x = 52,006.73

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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.