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Finding the Fourth Proportional to 67,864.92, 93,653.49 and 37,654.80

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Solution

The fourth proportional to 67,864.92, 93,653.49 and 37,654.80 is: 51,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,864.92 : 93,653.49 = 37,654.80 : x
  2. Step 2: Convert to fraction form
    67,864.92/93,653.49 = 37,654.80/x
  3. Step 3: Cross multiply
    67,864.92x = 93,653.49 × 37,654.80
  4. Step 4: Simplify right side
    67,864.92x = 3,526,503,435.25
  5. Step 5: Solve for x
    x = 3,526,503,435.25/67,864.92
  6. Step 6: Final answer
    x = 51,963.57

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1.5x scale

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.