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Finding the Fourth Proportional to 9,651.58, 13,319.82 and 5,403.04

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Solution

The fourth proportional to 9,651.58, 13,319.82 and 5,403.04 is: 7,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.58 : 13,319.82 = 5,403.04 : x
  2. Step 2: Convert to fraction form
    9,651.58/13,319.82 = 5,403.04/x
  3. Step 3: Cross multiply
    9,651.58x = 13,319.82 × 5,403.04
  4. Step 4: Simplify right side
    9,651.58x = 71,967,520.25
  5. Step 5: Solve for x
    x = 71,967,520.25/9,651.58
  6. Step 6: Final answer
    x = 7,456.55

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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.