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Finding the Fourth Proportional to 36,579.47, 50,479.49 and 19,812.47

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Solution

The fourth proportional to 36,579.47, 50,479.49 and 19,812.47 is: 27,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.47 : 50,479.49 = 19,812.47 : x
  2. Step 2: Convert to fraction form
    36,579.47/50,479.49 = 19,812.47/x
  3. Step 3: Cross multiply
    36,579.47x = 50,479.49 × 19,812.47
  4. Step 4: Simplify right side
    36,579.47x = 1,000,123,178.37
  5. Step 5: Solve for x
    x = 1,000,123,178.37/36,579.47
  6. Step 6: Final answer
    x = 27,341.11

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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.