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Finding the Fourth Proportional to 14,447.68, 21,674.22 and 4,589.44

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Solution

The fourth proportional to 14,447.68, 21,674.22 and 4,589.44 is: 6,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.68 : 21,674.22 = 4,589.44 : x
  2. Step 2: Convert to fraction form
    14,447.68/21,674.22 = 4,589.44/x
  3. Step 3: Cross multiply
    14,447.68x = 21,674.22 × 4,589.44
  4. Step 4: Simplify right side
    14,447.68x = 99,472,532.24
  5. Step 5: Solve for x
    x = 99,472,532.24/14,447.68
  6. Step 6: Final answer
    x = 6,885.02

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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.