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Finding the Fourth Proportional to 68,462.88, 94,481.28 and 37,836.24

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Solution

The fourth proportional to 68,462.88, 94,481.28 and 37,836.24 is: 52,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,462.88 : 94,481.28 = 37,836.24 : x
  2. Step 2: Convert to fraction form
    68,462.88/94,481.28 = 37,836.24/x
  3. Step 3: Cross multiply
    68,462.88x = 94,481.28 × 37,836.24
  4. Step 4: Simplify right side
    68,462.88x = 3,574,816,385.59
  5. Step 5: Solve for x
    x = 3,574,816,385.59/68,462.88
  6. Step 6: Final answer
    x = 52,215.40

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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.