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Finding the Fourth Proportional to 62,671.33, 86,486.21 and 38,793.25

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Solution

The fourth proportional to 62,671.33, 86,486.21 and 38,793.25 is: 53,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.33 : 86,486.21 = 38,793.25 : x
  2. Step 2: Convert to fraction form
    62,671.33/86,486.21 = 38,793.25/x
  3. Step 3: Cross multiply
    62,671.33x = 86,486.21 × 38,793.25
  4. Step 4: Simplify right side
    62,671.33x = 3,355,080,972.12
  5. Step 5: Solve for x
    x = 3,355,080,972.12/62,671.33
  6. Step 6: Final answer
    x = 53,534.54

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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.