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Finding the Fourth Proportional to 16,941.19, 25,427.39 and 8,627.20

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Solution

The fourth proportional to 16,941.19, 25,427.39 and 8,627.20 is: 12,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.19 : 25,427.39 = 8,627.20 : x
  2. Step 2: Convert to fraction form
    16,941.19/25,427.39 = 8,627.20/x
  3. Step 3: Cross multiply
    16,941.19x = 25,427.39 × 8,627.20
  4. Step 4: Simplify right side
    16,941.19x = 219,367,179.01
  5. Step 5: Solve for x
    x = 219,367,179.01/16,941.19
  6. Step 6: Final answer
    x = 12,948.75

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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.