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Finding the Fourth Proportional to 6,207.72, 8,566.74 and 3,413.28

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Solution

The fourth proportional to 6,207.72, 8,566.74 and 3,413.28 is: 4,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.72 : 8,566.74 = 3,413.28 : x
  2. Step 2: Convert to fraction form
    6,207.72/8,566.74 = 3,413.28/x
  3. Step 3: Cross multiply
    6,207.72x = 8,566.74 × 3,413.28
  4. Step 4: Simplify right side
    6,207.72x = 29,240,682.31
  5. Step 5: Solve for x
    x = 29,240,682.31/6,207.72
  6. Step 6: Final answer
    x = 4,710.37

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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.