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Finding the Fourth Proportional to 9,893.34, 13,656.60 and 6,753.78

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Solution

The fourth proportional to 9,893.34, 13,656.60 and 6,753.78 is: 9,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.34 : 13,656.60 = 6,753.78 : x
  2. Step 2: Convert to fraction form
    9,893.34/13,656.60 = 6,753.78/x
  3. Step 3: Cross multiply
    9,893.34x = 13,656.60 × 6,753.78
  4. Step 4: Simplify right side
    9,893.34x = 92,233,671.95
  5. Step 5: Solve for x
    x = 92,233,671.95/9,893.34
  6. Step 6: Final answer
    x = 9,322.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.