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Finding the Fourth Proportional to 83,683.81, 115,480.92 and 59,850.37

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Solution

The fourth proportional to 83,683.81, 115,480.92 and 59,850.37 is: 82,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.81 : 115,480.92 = 59,850.37 : x
  2. Step 2: Convert to fraction form
    83,683.81/115,480.92 = 59,850.37/x
  3. Step 3: Cross multiply
    83,683.81x = 115,480.92 × 59,850.37
  4. Step 4: Simplify right side
    83,683.81x = 6,911,575,789.94
  5. Step 5: Solve for x
    x = 6,911,575,789.94/83,683.81
  6. Step 6: Final answer
    x = 82,591.55

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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.