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Finding the Fourth Proportional to 9,375.20, 14,063.05 and 4,107.50

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Solution

The fourth proportional to 9,375.20, 14,063.05 and 4,107.50 is: 6,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.20 : 14,063.05 = 4,107.50 : x
  2. Step 2: Convert to fraction form
    9,375.20/14,063.05 = 4,107.50/x
  3. Step 3: Cross multiply
    9,375.20x = 14,063.05 × 4,107.50
  4. Step 4: Simplify right side
    9,375.20x = 57,763,977.88
  5. Step 5: Solve for x
    x = 57,763,977.88/9,375.20
  6. Step 6: Final answer
    x = 6,161.36

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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.