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Finding the Fourth Proportional to 34,251.40, 51,405.90 and 16,736.20

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Solution

The fourth proportional to 34,251.40, 51,405.90 and 16,736.20 is: 25,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.40 : 51,405.90 = 16,736.20 : x
  2. Step 2: Convert to fraction form
    34,251.40/51,405.90 = 16,736.20/x
  3. Step 3: Cross multiply
    34,251.40x = 51,405.90 × 16,736.20
  4. Step 4: Simplify right side
    34,251.40x = 860,339,423.58
  5. Step 5: Solve for x
    x = 860,339,423.58/34,251.40
  6. Step 6: Final answer
    x = 25,118.37

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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.