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Finding the Fourth Proportional to 8,895.69, 13,343.51 and 8,354.41

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Solution

The fourth proportional to 8,895.69, 13,343.51 and 8,354.41 is: 12,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.69 : 13,343.51 = 8,354.41 : x
  2. Step 2: Convert to fraction form
    8,895.69/13,343.51 = 8,354.41/x
  3. Step 3: Cross multiply
    8,895.69x = 13,343.51 × 8,354.41
  4. Step 4: Simplify right side
    8,895.69x = 111,477,086.66
  5. Step 5: Solve for x
    x = 111,477,086.66/8,895.69
  6. Step 6: Final answer
    x = 12,531.59

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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.