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Finding the Fourth Proportional to 20,366.01, 30,565.52 and 10,508.11

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Solution

The fourth proportional to 20,366.01, 30,565.52 and 10,508.11 is: 15,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.01 : 30,565.52 = 10,508.11 : x
  2. Step 2: Convert to fraction form
    20,366.01/30,565.52 = 10,508.11/x
  3. Step 3: Cross multiply
    20,366.01x = 30,565.52 × 10,508.11
  4. Step 4: Simplify right side
    20,366.01x = 321,185,846.37
  5. Step 5: Solve for x
    x = 321,185,846.37/20,366.01
  6. Step 6: Final answer
    x = 15,770.68

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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.