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Finding the Fourth Proportional to 7,391.68, 10,201.78 and 7,059.52

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Solution

The fourth proportional to 7,391.68, 10,201.78 and 7,059.52 is: 9,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.68 : 10,201.78 = 7,059.52 : x
  2. Step 2: Convert to fraction form
    7,391.68/10,201.78 = 7,059.52/x
  3. Step 3: Cross multiply
    7,391.68x = 10,201.78 × 7,059.52
  4. Step 4: Simplify right side
    7,391.68x = 72,019,669.95
  5. Step 5: Solve for x
    x = 72,019,669.95/7,391.68
  6. Step 6: Final answer
    x = 9,743.34

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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.