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Finding the Fourth Proportional to 9,295.72, 12,825.90 and 5,319.02

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Solution

The fourth proportional to 9,295.72, 12,825.90 and 5,319.02 is: 7,338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.72 : 12,825.90 = 5,319.02 : x
  2. Step 2: Convert to fraction form
    9,295.72/12,825.90 = 5,319.02/x
  3. Step 3: Cross multiply
    9,295.72x = 12,825.90 × 5,319.02
  4. Step 4: Simplify right side
    9,295.72x = 68,221,218.62
  5. Step 5: Solve for x
    x = 68,221,218.62/9,295.72
  6. Step 6: Final answer
    x = 7,338.99

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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.