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Finding the Fourth Proportional to 8,848.91, 13,297.68 and 8,270.99

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Solution

The fourth proportional to 8,848.91, 13,297.68 and 8,270.99 is: 12,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.91 : 13,297.68 = 8,270.99 : x
  2. Step 2: Convert to fraction form
    8,848.91/13,297.68 = 8,270.99/x
  3. Step 3: Cross multiply
    8,848.91x = 13,297.68 × 8,270.99
  4. Step 4: Simplify right side
    8,848.91x = 109,984,978.30
  5. Step 5: Solve for x
    x = 109,984,978.30/8,848.91
  6. Step 6: Final answer
    x = 12,429.21

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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.