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Finding the Fourth Proportional to 11,281.46, 16,919.46 and 4,704.08

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Solution

The fourth proportional to 11,281.46, 16,919.46 and 4,704.08 is: 7,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.46 : 16,919.46 = 4,704.08 : x
  2. Step 2: Convert to fraction form
    11,281.46/16,919.46 = 4,704.08/x
  3. Step 3: Cross multiply
    11,281.46x = 16,919.46 × 4,704.08
  4. Step 4: Simplify right side
    11,281.46x = 79,590,408.80
  5. Step 5: Solve for x
    x = 79,590,408.80/11,281.46
  6. Step 6: Final answer
    x = 7,054.98

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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.