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Finding the Fourth Proportional to 36,530.16, 50,410.80 and 20,614.20

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Solution

The fourth proportional to 36,530.16, 50,410.80 and 20,614.20 is: 28,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.16 : 50,410.80 = 20,614.20 : x
  2. Step 2: Convert to fraction form
    36,530.16/50,410.80 = 20,614.20/x
  3. Step 3: Cross multiply
    36,530.16x = 50,410.80 × 20,614.20
  4. Step 4: Simplify right side
    36,530.16x = 1,039,178,313.36
  5. Step 5: Solve for x
    x = 1,039,178,313.36/36,530.16
  6. Step 6: Final answer
    x = 28,447.13

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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.