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Finding the Fourth Proportional to 36,579.06, 50,479.21 and 19,812.06

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Solution

The fourth proportional to 36,579.06, 50,479.21 and 19,812.06 is: 27,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.06 : 50,479.21 = 19,812.06 : x
  2. Step 2: Convert to fraction form
    36,579.06/50,479.21 = 19,812.06/x
  3. Step 3: Cross multiply
    36,579.06x = 50,479.21 × 19,812.06
  4. Step 4: Simplify right side
    36,579.06x = 1,000,097,137.27
  5. Step 5: Solve for x
    x = 1,000,097,137.27/36,579.06
  6. Step 6: Final answer
    x = 27,340.70

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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.