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Finding the Fourth Proportional to 14,679.30, 22,020.30 and 4,149.30

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Solution

The fourth proportional to 14,679.30, 22,020.30 and 4,149.30 is: 6,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.30 : 22,020.30 = 4,149.30 : x
  2. Step 2: Convert to fraction form
    14,679.30/22,020.30 = 4,149.30/x
  3. Step 3: Cross multiply
    14,679.30x = 22,020.30 × 4,149.30
  4. Step 4: Simplify right side
    14,679.30x = 91,368,830.79
  5. Step 5: Solve for x
    x = 91,368,830.79/14,679.30
  6. Step 6: Final answer
    x = 6,224.33

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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.