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Finding the Fourth Proportional to 9,845.32, 14,817.55 and 7,393

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Solution

The fourth proportional to 9,845.32, 14,817.55 and 7,393 is: 11,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.32 : 14,817.55 = 7,393 : x
  2. Step 2: Convert to fraction form
    9,845.32/14,817.55 = 7,393/x
  3. Step 3: Cross multiply
    9,845.32x = 14,817.55 × 7,393
  4. Step 4: Simplify right side
    9,845.32x = 109,546,147.15
  5. Step 5: Solve for x
    x = 109,546,147.15/9,845.32
  6. Step 6: Final answer
    x = 11,126.72

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.