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Finding the Fourth Proportional to 7,559.87, 10,415.59 and 5,668.48

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Solution

The fourth proportional to 7,559.87, 10,415.59 and 5,668.48 is: 7,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.87 : 10,415.59 = 5,668.48 : x
  2. Step 2: Convert to fraction form
    7,559.87/10,415.59 = 5,668.48/x
  3. Step 3: Cross multiply
    7,559.87x = 10,415.59 × 5,668.48
  4. Step 4: Simplify right side
    7,559.87x = 59,040,562.45
  5. Step 5: Solve for x
    x = 59,040,562.45/7,559.87
  6. Step 6: Final answer
    x = 7,809.74

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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.