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Finding the Fourth Proportional to 36,662.64, 55,003.14 and 20,018.22

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Solution

The fourth proportional to 36,662.64, 55,003.14 and 20,018.22 is: 30,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,662.64 : 55,003.14 = 20,018.22 : x
  2. Step 2: Convert to fraction form
    36,662.64/55,003.14 = 20,018.22/x
  3. Step 3: Cross multiply
    36,662.64x = 55,003.14 × 20,018.22
  4. Step 4: Simplify right side
    36,662.64x = 1,101,064,957.21
  5. Step 5: Solve for x
    x = 1,101,064,957.21/36,662.64
  6. Step 6: Final answer
    x = 30,032.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.