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Finding the Fourth Proportional to 14,029.70, 21,048.94 and 4,169.04

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Solution

The fourth proportional to 14,029.70, 21,048.94 and 4,169.04 is: 6,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.70 : 21,048.94 = 4,169.04 : x
  2. Step 2: Convert to fraction form
    14,029.70/21,048.94 = 4,169.04/x
  3. Step 3: Cross multiply
    14,029.70x = 21,048.94 × 4,169.04
  4. Step 4: Simplify right side
    14,029.70x = 87,753,872.82
  5. Step 5: Solve for x
    x = 87,753,872.82/14,029.70
  6. Step 6: Final answer
    x = 6,254.86

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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.