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Finding the Fourth Proportional to 33,894.91, 46,776.54 and 18,787.89

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Solution

The fourth proportional to 33,894.91, 46,776.54 and 18,787.89 is: 25,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.91 : 46,776.54 = 18,787.89 : x
  2. Step 2: Convert to fraction form
    33,894.91/46,776.54 = 18,787.89/x
  3. Step 3: Cross multiply
    33,894.91x = 46,776.54 × 18,787.89
  4. Step 4: Simplify right side
    33,894.91x = 878,832,488.10
  5. Step 5: Solve for x
    x = 878,832,488.10/33,894.91
  6. Step 6: Final answer
    x = 25,928.16

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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.