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Finding the Fourth Proportional to 16,963.17, 23,409.18 and 9,511.17

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Solution

The fourth proportional to 16,963.17, 23,409.18 and 9,511.17 is: 13,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.17 : 23,409.18 = 9,511.17 : x
  2. Step 2: Convert to fraction form
    16,963.17/23,409.18 = 9,511.17/x
  3. Step 3: Cross multiply
    16,963.17x = 23,409.18 × 9,511.17
  4. Step 4: Simplify right side
    16,963.17x = 222,648,690.54
  5. Step 5: Solve for x
    x = 222,648,690.54/16,963.17
  6. Step 6: Final answer
    x = 13,125.42

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1.5x scale

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.