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Finding the Fourth Proportional to 69,036.44, 95,269.69 and 38,821.12

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Solution

The fourth proportional to 69,036.44, 95,269.69 and 38,821.12 is: 53,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.44 : 95,269.69 = 38,821.12 : x
  2. Step 2: Convert to fraction form
    69,036.44/95,269.69 = 38,821.12/x
  3. Step 3: Cross multiply
    69,036.44x = 95,269.69 × 38,821.12
  4. Step 4: Simplify right side
    69,036.44x = 3,698,476,523.28
  5. Step 5: Solve for x
    x = 3,698,476,523.28/69,036.44
  6. Step 6: Final answer
    x = 53,572.81

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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.