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Finding the Fourth Proportional to 48,391.74, 66,769.68 and 27,169.59

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Solution

The fourth proportional to 48,391.74, 66,769.68 and 27,169.59 is: 37,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.74 : 66,769.68 = 27,169.59 : x
  2. Step 2: Convert to fraction form
    48,391.74/66,769.68 = 27,169.59/x
  3. Step 3: Cross multiply
    48,391.74x = 66,769.68 × 27,169.59
  4. Step 4: Simplify right side
    48,391.74x = 1,814,104,830.03
  5. Step 5: Solve for x
    x = 1,814,104,830.03/48,391.74
  6. Step 6: Final answer
    x = 37,487.90

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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.