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Finding the Fourth Proportional to 8,701.63, 13,049.10 and 4,256.55

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Solution

The fourth proportional to 8,701.63, 13,049.10 and 4,256.55 is: 6,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.63 : 13,049.10 = 4,256.55 : x
  2. Step 2: Convert to fraction form
    8,701.63/13,049.10 = 4,256.55/x
  3. Step 3: Cross multiply
    8,701.63x = 13,049.10 × 4,256.55
  4. Step 4: Simplify right side
    8,701.63x = 55,544,146.61
  5. Step 5: Solve for x
    x = 55,544,146.61/8,701.63
  6. Step 6: Final answer
    x = 6,383.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.