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Finding the Fourth Proportional to 16,643.62, 22,958.67 and 11,864.62

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Solution

The fourth proportional to 16,643.62, 22,958.67 and 11,864.62 is: 16,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.62 : 22,958.67 = 11,864.62 : x
  2. Step 2: Convert to fraction form
    16,643.62/22,958.67 = 11,864.62/x
  3. Step 3: Cross multiply
    16,643.62x = 22,958.67 × 11,864.62
  4. Step 4: Simplify right side
    16,643.62x = 272,395,895.26
  5. Step 5: Solve for x
    x = 272,395,895.26/16,643.62
  6. Step 6: Final answer
    x = 16,366.39

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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.