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Finding the Fourth Proportional to 7,893.90, 11,841.48 and 2,347.14

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Solution

The fourth proportional to 7,893.90, 11,841.48 and 2,347.14 is: 3,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.90 : 11,841.48 = 2,347.14 : x
  2. Step 2: Convert to fraction form
    7,893.90/11,841.48 = 2,347.14/x
  3. Step 3: Cross multiply
    7,893.90x = 11,841.48 × 2,347.14
  4. Step 4: Simplify right side
    7,893.90x = 27,793,611.37
  5. Step 5: Solve for x
    x = 27,793,611.37/7,893.90
  6. Step 6: Final answer
    x = 3,520.90

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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.