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Finding the Fourth Proportional to 14,339.53, 21,522.99 and 8,803.69

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Solution

The fourth proportional to 14,339.53, 21,522.99 and 8,803.69 is: 13,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.53 : 21,522.99 = 8,803.69 : x
  2. Step 2: Convert to fraction form
    14,339.53/21,522.99 = 8,803.69/x
  3. Step 3: Cross multiply
    14,339.53x = 21,522.99 × 8,803.69
  4. Step 4: Simplify right side
    14,339.53x = 189,481,722.05
  5. Step 5: Solve for x
    x = 189,481,722.05/14,339.53
  6. Step 6: Final answer
    x = 13,213.94

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1.5x scale

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.