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Finding the Fourth Proportional to 21,865.35, 32,800.41 and 8,014.35

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Solution

The fourth proportional to 21,865.35, 32,800.41 and 8,014.35 is: 12,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.35 : 32,800.41 = 8,014.35 : x
  2. Step 2: Convert to fraction form
    21,865.35/32,800.41 = 8,014.35/x
  3. Step 3: Cross multiply
    21,865.35x = 32,800.41 × 8,014.35
  4. Step 4: Simplify right side
    21,865.35x = 262,873,965.88
  5. Step 5: Solve for x
    x = 262,873,965.88/21,865.35
  6. Step 6: Final answer
    x = 12,022.40

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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.