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Finding the Fourth Proportional to 67,349.92, 92,963.28 and 39,062.56

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Solution

The fourth proportional to 67,349.92, 92,963.28 and 39,062.56 is: 53,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,349.92 : 92,963.28 = 39,062.56 : x
  2. Step 2: Convert to fraction form
    67,349.92/92,963.28 = 39,062.56/x
  3. Step 3: Cross multiply
    67,349.92x = 92,963.28 × 39,062.56
  4. Step 4: Simplify right side
    67,349.92x = 3,631,383,702.80
  5. Step 5: Solve for x
    x = 3,631,383,702.80/67,349.92
  6. Step 6: Final answer
    x = 53,918.16

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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.