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Finding the Fourth Proportional to 8,693.80, 13,016.34 and 4,524.72

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Solution

The fourth proportional to 8,693.80, 13,016.34 and 4,524.72 is: 6,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.80 : 13,016.34 = 4,524.72 : x
  2. Step 2: Convert to fraction form
    8,693.80/13,016.34 = 4,524.72/x
  3. Step 3: Cross multiply
    8,693.80x = 13,016.34 × 4,524.72
  4. Step 4: Simplify right side
    8,693.80x = 58,895,293.92
  5. Step 5: Solve for x
    x = 58,895,293.92/8,693.80
  6. Step 6: Final answer
    x = 6,774.40

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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.