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Finding the Fourth Proportional to 36,422.52, 50,263.02 and 20,506.20

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Solution

The fourth proportional to 36,422.52, 50,263.02 and 20,506.20 is: 28,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.52 : 50,263.02 = 20,506.20 : x
  2. Step 2: Convert to fraction form
    36,422.52/50,263.02 = 20,506.20/x
  3. Step 3: Cross multiply
    36,422.52x = 50,263.02 × 20,506.20
  4. Step 4: Simplify right side
    36,422.52x = 1,030,703,540.72
  5. Step 5: Solve for x
    x = 1,030,703,540.72/36,422.52
  6. Step 6: Final answer
    x = 28,298.52

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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.