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Finding the Fourth Proportional to 11,893.40, 17,845.08 and 5,226.46

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Solution

The fourth proportional to 11,893.40, 17,845.08 and 5,226.46 is: 7,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.40 : 17,845.08 = 5,226.46 : x
  2. Step 2: Convert to fraction form
    11,893.40/17,845.08 = 5,226.46/x
  3. Step 3: Cross multiply
    11,893.40x = 17,845.08 × 5,226.46
  4. Step 4: Simplify right side
    11,893.40x = 93,266,596.82
  5. Step 5: Solve for x
    x = 93,266,596.82/11,893.40
  6. Step 6: Final answer
    x = 7,841.88

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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.