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Finding the Fourth Proportional to 14,203.98, 21,306.03 and 4,343.22

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Solution

The fourth proportional to 14,203.98, 21,306.03 and 4,343.22 is: 6,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.98 : 21,306.03 = 4,343.22 : x
  2. Step 2: Convert to fraction form
    14,203.98/21,306.03 = 4,343.22/x
  3. Step 3: Cross multiply
    14,203.98x = 21,306.03 × 4,343.22
  4. Step 4: Simplify right side
    14,203.98x = 92,536,775.62
  5. Step 5: Solve for x
    x = 92,536,775.62/14,203.98
  6. Step 6: Final answer
    x = 6,514.85

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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.