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Finding the Fourth Proportional to 83,477.05, 125,230.15 and 36,728.71

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Solution

The fourth proportional to 83,477.05, 125,230.15 and 36,728.71 is: 55,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477.05 : 125,230.15 = 36,728.71 : x
  2. Step 2: Convert to fraction form
    83,477.05/125,230.15 = 36,728.71/x
  3. Step 3: Cross multiply
    83,477.05x = 125,230.15 × 36,728.71
  4. Step 4: Simplify right side
    83,477.05x = 4,599,541,236.46
  5. Step 5: Solve for x
    x = 4,599,541,236.46/83,477.05
  6. Step 6: Final answer
    x = 55,099.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.