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Finding the Fourth Proportional to 8,506.89, 11,738.98 and 4,729.99

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Solution

The fourth proportional to 8,506.89, 11,738.98 and 4,729.99 is: 6,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.89 : 11,738.98 = 4,729.99 : x
  2. Step 2: Convert to fraction form
    8,506.89/11,738.98 = 4,729.99/x
  3. Step 3: Cross multiply
    8,506.89x = 11,738.98 × 4,729.99
  4. Step 4: Simplify right side
    8,506.89x = 55,525,258.01
  5. Step 5: Solve for x
    x = 55,525,258.01/8,506.89
  6. Step 6: Final answer
    x = 6,527.09

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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.