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Finding the Fourth Proportional to 21,752.01, 32,627.63 and 8,245.78

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Solution

The fourth proportional to 21,752.01, 32,627.63 and 8,245.78 is: 12,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.01 : 32,627.63 = 8,245.78 : x
  2. Step 2: Convert to fraction form
    21,752.01/32,627.63 = 8,245.78/x
  3. Step 3: Cross multiply
    21,752.01x = 32,627.63 × 8,245.78
  4. Step 4: Simplify right side
    21,752.01x = 269,040,197.95
  5. Step 5: Solve for x
    x = 269,040,197.95/21,752.01
  6. Step 6: Final answer
    x = 12,368.52

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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.