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Finding the Fourth Proportional to 66,995.38, 92,424 and 41,494.96

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Solution

The fourth proportional to 66,995.38, 92,424 and 41,494.96 is: 57,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,995.38 : 92,424 = 41,494.96 : x
  2. Step 2: Convert to fraction form
    66,995.38/92,424 = 41,494.96/x
  3. Step 3: Cross multiply
    66,995.38x = 92,424 × 41,494.96
  4. Step 4: Simplify right side
    66,995.38x = 3,835,130,183.04
  5. Step 5: Solve for x
    x = 3,835,130,183.04/66,995.38
  6. Step 6: Final answer
    x = 57,244.70

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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.