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Finding the Fourth Proportional to 48,521.70, 66,958.65 and 27,299.70

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Solution

The fourth proportional to 48,521.70, 66,958.65 and 27,299.70 is: 37,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.70 : 66,958.65 = 27,299.70 : x
  2. Step 2: Convert to fraction form
    48,521.70/66,958.65 = 27,299.70/x
  3. Step 3: Cross multiply
    48,521.70x = 66,958.65 × 27,299.70
  4. Step 4: Simplify right side
    48,521.70x = 1,827,951,057.41
  5. Step 5: Solve for x
    x = 1,827,951,057.41/48,521.70
  6. Step 6: Final answer
    x = 37,672.86

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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.