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Finding the Fourth Proportional to 60,212.68, 83,149.77 and 38,739.79

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Solution

The fourth proportional to 60,212.68, 83,149.77 and 38,739.79 is: 53,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,212.68 : 83,149.77 = 38,739.79 : x
  2. Step 2: Convert to fraction form
    60,212.68/83,149.77 = 38,739.79/x
  3. Step 3: Cross multiply
    60,212.68x = 83,149.77 × 38,739.79
  4. Step 4: Simplify right side
    60,212.68x = 3,221,204,628.35
  5. Step 5: Solve for x
    x = 3,221,204,628.35/60,212.68
  6. Step 6: Final answer
    x = 53,497.11

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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.