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Finding the Fourth Proportional to 69,822.62, 96,357.64 and 37,992.74

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Solution

The fourth proportional to 69,822.62, 96,357.64 and 37,992.74 is: 52,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,822.62 : 96,357.64 = 37,992.74 : x
  2. Step 2: Convert to fraction form
    69,822.62/96,357.64 = 37,992.74/x
  3. Step 3: Cross multiply
    69,822.62x = 96,357.64 × 37,992.74
  4. Step 4: Simplify right side
    69,822.62x = 3,660,890,763.53
  5. Step 5: Solve for x
    x = 3,660,890,763.53/69,822.62
  6. Step 6: Final answer
    x = 52,431.30

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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.