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Finding the Fourth Proportional to 16,515, 22,790.70 and 9,063

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Solution

The fourth proportional to 16,515, 22,790.70 and 9,063 is: 12,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515 : 22,790.70 = 9,063 : x
  2. Step 2: Convert to fraction form
    16,515/22,790.70 = 9,063/x
  3. Step 3: Cross multiply
    16,515x = 22,790.70 × 9,063
  4. Step 4: Simplify right side
    16,515x = 206,552,114.10
  5. Step 5: Solve for x
    x = 206,552,114.10/16,515
  6. Step 6: Final answer
    x = 12,506.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.