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Finding the Fourth Proportional to 36,663.60, 50,614.20 and 30,673.20

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Solution

The fourth proportional to 36,663.60, 50,614.20 and 30,673.20 is: 42,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,663.60 : 50,614.20 = 30,673.20 : x
  2. Step 2: Convert to fraction form
    36,663.60/50,614.20 = 30,673.20/x
  3. Step 3: Cross multiply
    36,663.60x = 50,614.20 × 30,673.20
  4. Step 4: Simplify right side
    36,663.60x = 1,552,499,479.44
  5. Step 5: Solve for x
    x = 1,552,499,479.44/36,663.60
  6. Step 6: Final answer
    x = 42,344.44

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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.