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Finding the Fourth Proportional to 17,787.51, 24,550.16 and 11,727.11

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Solution

The fourth proportional to 17,787.51, 24,550.16 and 11,727.11 is: 16,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.51 : 24,550.16 = 11,727.11 : x
  2. Step 2: Convert to fraction form
    17,787.51/24,550.16 = 11,727.11/x
  3. Step 3: Cross multiply
    17,787.51x = 24,550.16 × 11,727.11
  4. Step 4: Simplify right side
    17,787.51x = 287,902,426.84
  5. Step 5: Solve for x
    x = 287,902,426.84/17,787.51
  6. Step 6: Final answer
    x = 16,185.65

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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.