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Finding the Fourth Proportional to 36,638.04, 50,561.04 and 19,871.04

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Solution

The fourth proportional to 36,638.04, 50,561.04 and 19,871.04 is: 27,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.04 : 50,561.04 = 19,871.04 : x
  2. Step 2: Convert to fraction form
    36,638.04/50,561.04 = 19,871.04/x
  3. Step 3: Cross multiply
    36,638.04x = 50,561.04 × 19,871.04
  4. Step 4: Simplify right side
    36,638.04x = 1,004,700,448.28
  5. Step 5: Solve for x
    x = 1,004,700,448.28/36,638.04
  6. Step 6: Final answer
    x = 27,422.33

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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.