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Finding the Fourth Proportional to 8,904.32, 13,368.78 and 4,524.86

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Solution

The fourth proportional to 8,904.32, 13,368.78 and 4,524.86 is: 6,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.32 : 13,368.78 = 4,524.86 : x
  2. Step 2: Convert to fraction form
    8,904.32/13,368.78 = 4,524.86/x
  3. Step 3: Cross multiply
    8,904.32x = 13,368.78 × 4,524.86
  4. Step 4: Simplify right side
    8,904.32x = 60,491,857.87
  5. Step 5: Solve for x
    x = 60,491,857.87/8,904.32
  6. Step 6: Final answer
    x = 6,793.54

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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.