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Finding the Fourth Proportional to 8,456.63, 12,693.04 and 3,524.94

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Solution

The fourth proportional to 8,456.63, 12,693.04 and 3,524.94 is: 5,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.63 : 12,693.04 = 3,524.94 : x
  2. Step 2: Convert to fraction form
    8,456.63/12,693.04 = 3,524.94/x
  3. Step 3: Cross multiply
    8,456.63x = 12,693.04 × 3,524.94
  4. Step 4: Simplify right side
    8,456.63x = 44,742,195.61
  5. Step 5: Solve for x
    x = 44,742,195.61/8,456.63
  6. Step 6: Final answer
    x = 5,290.79

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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.