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Finding the Fourth Proportional to 69,683.64, 96,163 and 37,852.56

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Solution

The fourth proportional to 69,683.64, 96,163 and 37,852.56 is: 52,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.64 : 96,163 = 37,852.56 : x
  2. Step 2: Convert to fraction form
    69,683.64/96,163 = 37,852.56/x
  3. Step 3: Cross multiply
    69,683.64x = 96,163 × 37,852.56
  4. Step 4: Simplify right side
    69,683.64x = 3,640,015,727.28
  5. Step 5: Solve for x
    x = 3,640,015,727.28/69,683.64
  6. Step 6: Final answer
    x = 52,236.30

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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.