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Finding the Fourth Proportional to 6,876.99, 9,494.98 and 5,084.86

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Solution

The fourth proportional to 6,876.99, 9,494.98 and 5,084.86 is: 7,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.99 : 9,494.98 = 5,084.86 : x
  2. Step 2: Convert to fraction form
    6,876.99/9,494.98 = 5,084.86/x
  3. Step 3: Cross multiply
    6,876.99x = 9,494.98 × 5,084.86
  4. Step 4: Simplify right side
    6,876.99x = 48,280,644.00
  5. Step 5: Solve for x
    x = 48,280,644.00/6,876.99
  6. Step 6: Final answer
    x = 7,020.61

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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.