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Finding the Fourth Proportional to 8,968.86, 13,453.30 and 2,394.88

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Solution

The fourth proportional to 8,968.86, 13,453.30 and 2,394.88 is: 3,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.86 : 13,453.30 = 2,394.88 : x
  2. Step 2: Convert to fraction form
    8,968.86/13,453.30 = 2,394.88/x
  3. Step 3: Cross multiply
    8,968.86x = 13,453.30 × 2,394.88
  4. Step 4: Simplify right side
    8,968.86x = 32,219,015.60
  5. Step 5: Solve for x
    x = 32,219,015.60/8,968.86
  6. Step 6: Final answer
    x = 3,592.32

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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.