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Finding the Fourth Proportional to 19,266, 28,899.82 and 6,118.08

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Solution

The fourth proportional to 19,266, 28,899.82 and 6,118.08 is: 9,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266 : 28,899.82 = 6,118.08 : x
  2. Step 2: Convert to fraction form
    19,266/28,899.82 = 6,118.08/x
  3. Step 3: Cross multiply
    19,266x = 28,899.82 × 6,118.08
  4. Step 4: Simplify right side
    19,266x = 176,811,410.75
  5. Step 5: Solve for x
    x = 176,811,410.75/19,266
  6. Step 6: Final answer
    x = 9,177.38

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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.