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Finding the Fourth Proportional to 18,683, 28,024.43 and 6,203.96

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Solution

The fourth proportional to 18,683, 28,024.43 and 6,203.96 is: 9,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683 : 28,024.43 = 6,203.96 : x
  2. Step 2: Convert to fraction form
    18,683/28,024.43 = 6,203.96/x
  3. Step 3: Cross multiply
    18,683x = 28,024.43 × 6,203.96
  4. Step 4: Simplify right side
    18,683x = 173,862,442.74
  5. Step 5: Solve for x
    x = 173,862,442.74/18,683
  6. Step 6: Final answer
    x = 9,305.92

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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.