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Finding the Fourth Proportional to 8,886, 13,326.48 and 3,685.44

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Solution

The fourth proportional to 8,886, 13,326.48 and 3,685.44 is: 5,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886 : 13,326.48 = 3,685.44 : x
  2. Step 2: Convert to fraction form
    8,886/13,326.48 = 3,685.44/x
  3. Step 3: Cross multiply
    8,886x = 13,326.48 × 3,685.44
  4. Step 4: Simplify right side
    8,886x = 49,113,942.45
  5. Step 5: Solve for x
    x = 49,113,942.45/8,886
  6. Step 6: Final answer
    x = 5,527.11

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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.