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Finding the Fourth Proportional to 8,840.59, 12,199.71 and 4,861.68

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Solution

The fourth proportional to 8,840.59, 12,199.71 and 4,861.68 is: 6,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.59 : 12,199.71 = 4,861.68 : x
  2. Step 2: Convert to fraction form
    8,840.59/12,199.71 = 4,861.68/x
  3. Step 3: Cross multiply
    8,840.59x = 12,199.71 × 4,861.68
  4. Step 4: Simplify right side
    8,840.59x = 59,311,086.11
  5. Step 5: Solve for x
    x = 59,311,086.11/8,840.59
  6. Step 6: Final answer
    x = 6,708.95

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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.