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Finding the Fourth Proportional to 14,479.46, 19,982.22 and 8,019.26

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Solution

The fourth proportional to 14,479.46, 19,982.22 and 8,019.26 is: 11,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.46 : 19,982.22 = 8,019.26 : x
  2. Step 2: Convert to fraction form
    14,479.46/19,982.22 = 8,019.26/x
  3. Step 3: Cross multiply
    14,479.46x = 19,982.22 × 8,019.26
  4. Step 4: Simplify right side
    14,479.46x = 160,242,617.56
  5. Step 5: Solve for x
    x = 160,242,617.56/14,479.46
  6. Step 6: Final answer
    x = 11,066.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.