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Finding the Fourth Proportional to 7,893.35, 11,841.64 and 2,346.20

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Solution

The fourth proportional to 7,893.35, 11,841.64 and 2,346.20 is: 3,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.35 : 11,841.64 = 2,346.20 : x
  2. Step 2: Convert to fraction form
    7,893.35/11,841.64 = 2,346.20/x
  3. Step 3: Cross multiply
    7,893.35x = 11,841.64 × 2,346.20
  4. Step 4: Simplify right side
    7,893.35x = 27,782,848.30
  5. Step 5: Solve for x
    x = 27,782,848.30/7,893.35
  6. Step 6: Final answer
    x = 3,519.78

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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.