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Finding the Fourth Proportional to 36,813.60, 50,727.60 and 30,463.20

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Solution

The fourth proportional to 36,813.60, 50,727.60 and 30,463.20 is: 41,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.60 : 50,727.60 = 30,463.20 : x
  2. Step 2: Convert to fraction form
    36,813.60/50,727.60 = 30,463.20/x
  3. Step 3: Cross multiply
    36,813.60x = 50,727.60 × 30,463.20
  4. Step 4: Simplify right side
    36,813.60x = 1,545,325,024.32
  5. Step 5: Solve for x
    x = 1,545,325,024.32/36,813.60
  6. Step 6: Final answer
    x = 41,977.01

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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.