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Finding the Fourth Proportional to 8,956.44, 13,421.70 and 5,052.54

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Solution

The fourth proportional to 8,956.44, 13,421.70 and 5,052.54 is: 7,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.44 : 13,421.70 = 5,052.54 : x
  2. Step 2: Convert to fraction form
    8,956.44/13,421.70 = 5,052.54/x
  3. Step 3: Cross multiply
    8,956.44x = 13,421.70 × 5,052.54
  4. Step 4: Simplify right side
    8,956.44x = 67,813,676.12
  5. Step 5: Solve for x
    x = 67,813,676.12/8,956.44
  6. Step 6: Final answer
    x = 7,571.50

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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.