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Finding the Fourth Proportional to 5,612.88, 8,413.22 and 2,323.86

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Solution

The fourth proportional to 5,612.88, 8,413.22 and 2,323.86 is: 3,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.88 : 8,413.22 = 2,323.86 : x
  2. Step 2: Convert to fraction form
    5,612.88/8,413.22 = 2,323.86/x
  3. Step 3: Cross multiply
    5,612.88x = 8,413.22 × 2,323.86
  4. Step 4: Simplify right side
    5,612.88x = 19,551,145.43
  5. Step 5: Solve for x
    x = 19,551,145.43/5,612.88
  6. Step 6: Final answer
    x = 3,483.26

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1.5x scale

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.