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Finding the Fourth Proportional to 8,840.26, 12,199.74 and 4,861.44

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Solution

The fourth proportional to 8,840.26, 12,199.74 and 4,861.44 is: 6,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.26 : 12,199.74 = 4,861.44 : x
  2. Step 2: Convert to fraction form
    8,840.26/12,199.74 = 4,861.44/x
  3. Step 3: Cross multiply
    8,840.26x = 12,199.74 × 4,861.44
  4. Step 4: Simplify right side
    8,840.26x = 59,308,304.03
  5. Step 5: Solve for x
    x = 59,308,304.03/8,840.26
  6. Step 6: Final answer
    x = 6,708.89

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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.