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Finding the Fourth Proportional to 8,506.64, 11,738.27 and 4,729.19

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Solution

The fourth proportional to 8,506.64, 11,738.27 and 4,729.19 is: 6,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.64 : 11,738.27 = 4,729.19 : x
  2. Step 2: Convert to fraction form
    8,506.64/11,738.27 = 4,729.19/x
  3. Step 3: Cross multiply
    8,506.64x = 11,738.27 × 4,729.19
  4. Step 4: Simplify right side
    8,506.64x = 55,512,509.10
  5. Step 5: Solve for x
    x = 55,512,509.10/8,506.64
  6. Step 6: Final answer
    x = 6,525.79

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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.