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Finding the Fourth Proportional to 19,266, 28,899 and 4,674

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Solution

The fourth proportional to 19,266, 28,899 and 4,674 is: 7,011

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266 : 28,899 = 4,674 : x
  2. Step 2: Convert to fraction form
    19,266/28,899 = 4,674/x
  3. Step 3: Cross multiply
    19,266x = 28,899 × 4,674
  4. Step 4: Simplify right side
    19,266x = 135,073,926
  5. Step 5: Solve for x
    x = 135,073,926/19,266
  6. Step 6: Final answer
    x = 7,011

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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.