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Finding the Fourth Proportional to 36,489.52, 50,352.52 and 20,577.88

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Solution

The fourth proportional to 36,489.52, 50,352.52 and 20,577.88 is: 28,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.52 : 50,352.52 = 20,577.88 : x
  2. Step 2: Convert to fraction form
    36,489.52/50,352.52 = 20,577.88/x
  3. Step 3: Cross multiply
    36,489.52x = 50,352.52 × 20,577.88
  4. Step 4: Simplify right side
    36,489.52x = 1,036,148,114.26
  5. Step 5: Solve for x
    x = 1,036,148,114.26/36,489.52
  6. Step 6: Final answer
    x = 28,395.77

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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.