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Finding the Fourth Proportional to 7,893.34, 11,840.01 and 2,699.26

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Solution

The fourth proportional to 7,893.34, 11,840.01 and 2,699.26 is: 4,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.34 : 11,840.01 = 2,699.26 : x
  2. Step 2: Convert to fraction form
    7,893.34/11,840.01 = 2,699.26/x
  3. Step 3: Cross multiply
    7,893.34x = 11,840.01 × 2,699.26
  4. Step 4: Simplify right side
    7,893.34x = 31,959,265.39
  5. Step 5: Solve for x
    x = 31,959,265.39/7,893.34
  6. Step 6: Final answer
    x = 4,048.89

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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.