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Finding the Fourth Proportional to 5,762.49, 8,635.64 and 3,293.61

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Solution

The fourth proportional to 5,762.49, 8,635.64 and 3,293.61 is: 4,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.49 : 8,635.64 = 3,293.61 : x
  2. Step 2: Convert to fraction form
    5,762.49/8,635.64 = 3,293.61/x
  3. Step 3: Cross multiply
    5,762.49x = 8,635.64 × 3,293.61
  4. Step 4: Simplify right side
    5,762.49x = 28,442,413.79
  5. Step 5: Solve for x
    x = 28,442,413.79/5,762.49
  6. Step 6: Final answer
    x = 4,935.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.