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Finding the Fourth Proportional to 6,256.86, 8,640.93 and 5,413.52

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Solution

The fourth proportional to 6,256.86, 8,640.93 and 5,413.52 is: 7,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.86 : 8,640.93 = 5,413.52 : x
  2. Step 2: Convert to fraction form
    6,256.86/8,640.93 = 5,413.52/x
  3. Step 3: Cross multiply
    6,256.86x = 8,640.93 × 5,413.52
  4. Step 4: Simplify right side
    6,256.86x = 46,777,804.17
  5. Step 5: Solve for x
    x = 46,777,804.17/6,256.86
  6. Step 6: Final answer
    x = 7,476.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.