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Finding the Fourth Proportional to 39,168.77, 54,076.48 and 36,927.09

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Solution

The fourth proportional to 39,168.77, 54,076.48 and 36,927.09 is: 50,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.77 : 54,076.48 = 36,927.09 : x
  2. Step 2: Convert to fraction form
    39,168.77/54,076.48 = 36,927.09/x
  3. Step 3: Cross multiply
    39,168.77x = 54,076.48 × 36,927.09
  4. Step 4: Simplify right side
    39,168.77x = 1,996,886,951.53
  5. Step 5: Solve for x
    x = 1,996,886,951.53/39,168.77
  6. Step 6: Final answer
    x = 50,981.62

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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.