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Finding the Fourth Proportional to 33,894.72, 46,772.84 and 18,787.21

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Solution

The fourth proportional to 33,894.72, 46,772.84 and 18,787.21 is: 25,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.72 : 46,772.84 = 18,787.21 : x
  2. Step 2: Convert to fraction form
    33,894.72/46,772.84 = 18,787.21/x
  3. Step 3: Cross multiply
    33,894.72x = 46,772.84 × 18,787.21
  4. Step 4: Simplify right side
    33,894.72x = 878,731,097.41
  5. Step 5: Solve for x
    x = 878,731,097.41/33,894.72
  6. Step 6: Final answer
    x = 25,925.31

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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.