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Finding the Fourth Proportional to 8,886.76, 13,319.74 and 4,936.11

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Solution

The fourth proportional to 8,886.76, 13,319.74 and 4,936.11 is: 7,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.76 : 13,319.74 = 4,936.11 : x
  2. Step 2: Convert to fraction form
    8,886.76/13,319.74 = 4,936.11/x
  3. Step 3: Cross multiply
    8,886.76x = 13,319.74 × 4,936.11
  4. Step 4: Simplify right side
    8,886.76x = 65,747,770.42
  5. Step 5: Solve for x
    x = 65,747,770.42/8,886.76
  6. Step 6: Final answer
    x = 7,398.39

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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.