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Finding the Fourth Proportional to 6,891.67, 9,499.44 and 4,652.83

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Solution

The fourth proportional to 6,891.67, 9,499.44 and 4,652.83 is: 6,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.67 : 9,499.44 = 4,652.83 : x
  2. Step 2: Convert to fraction form
    6,891.67/9,499.44 = 4,652.83/x
  3. Step 3: Cross multiply
    6,891.67x = 9,499.44 × 4,652.83
  4. Step 4: Simplify right side
    6,891.67x = 44,199,279.42
  5. Step 5: Solve for x
    x = 44,199,279.42/6,891.67
  6. Step 6: Final answer
    x = 6,413.44

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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.