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Finding the Fourth Proportional to 19,883.03, 29,822.99 and 8,790.08

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Solution

The fourth proportional to 19,883.03, 29,822.99 and 8,790.08 is: 13,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.03 : 29,822.99 = 8,790.08 : x
  2. Step 2: Convert to fraction form
    19,883.03/29,822.99 = 8,790.08/x
  3. Step 3: Cross multiply
    19,883.03x = 29,822.99 × 8,790.08
  4. Step 4: Simplify right side
    19,883.03x = 262,146,274.87
  5. Step 5: Solve for x
    x = 262,146,274.87/19,883.03
  6. Step 6: Final answer
    x = 13,184.43

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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.