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Finding the Fourth Proportional to 68,190.98, 94,096.80 and 37,979.11

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Solution

The fourth proportional to 68,190.98, 94,096.80 and 37,979.11 is: 52,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.98 : 94,096.80 = 37,979.11 : x
  2. Step 2: Convert to fraction form
    68,190.98/94,096.80 = 37,979.11/x
  3. Step 3: Cross multiply
    68,190.98x = 94,096.80 × 37,979.11
  4. Step 4: Simplify right side
    68,190.98x = 3,573,712,717.85
  5. Step 5: Solve for x
    x = 3,573,712,717.85/68,190.98
  6. Step 6: Final answer
    x = 52,407.41

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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.