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Finding the Fourth Proportional to 67,854.53, 93,639.77 and 37,227.42

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Solution

The fourth proportional to 67,854.53, 93,639.77 and 37,227.42 is: 51,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.53 : 93,639.77 = 37,227.42 : x
  2. Step 2: Convert to fraction form
    67,854.53/93,639.77 = 37,227.42/x
  3. Step 3: Cross multiply
    67,854.53x = 93,639.77 × 37,227.42
  4. Step 4: Simplify right side
    67,854.53x = 3,485,966,860.36
  5. Step 5: Solve for x
    x = 3,485,966,860.36/67,854.53
  6. Step 6: Final answer
    x = 51,374.13

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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.