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Finding the Fourth Proportional to 8,840.63, 12,200.19 and 4,861.73

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Solution

The fourth proportional to 8,840.63, 12,200.19 and 4,861.73 is: 6,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.63 : 12,200.19 = 4,861.73 : x
  2. Step 2: Convert to fraction form
    8,840.63/12,200.19 = 4,861.73/x
  3. Step 3: Cross multiply
    8,840.63x = 12,200.19 × 4,861.73
  4. Step 4: Simplify right side
    8,840.63x = 59,314,029.73
  5. Step 5: Solve for x
    x = 59,314,029.73/8,840.63
  6. Step 6: Final answer
    x = 6,709.25

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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.