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Finding the Fourth Proportional to 9,479.50, 14,219.25 and 2,554

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Solution

The fourth proportional to 9,479.50, 14,219.25 and 2,554 is: 3,831

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.50 : 14,219.25 = 2,554 : x
  2. Step 2: Convert to fraction form
    9,479.50/14,219.25 = 2,554/x
  3. Step 3: Cross multiply
    9,479.50x = 14,219.25 × 2,554
  4. Step 4: Simplify right side
    9,479.50x = 36,315,964.50
  5. Step 5: Solve for x
    x = 36,315,964.50/9,479.50
  6. Step 6: Final answer
    x = 3,831

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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.