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Finding the Fourth Proportional to 33,903.76, 46,787.04 and 18,999.76

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Solution

The fourth proportional to 33,903.76, 46,787.04 and 18,999.76 is: 26,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,903.76 : 46,787.04 = 18,999.76 : x
  2. Step 2: Convert to fraction form
    33,903.76/46,787.04 = 18,999.76/x
  3. Step 3: Cross multiply
    33,903.76x = 46,787.04 × 18,999.76
  4. Step 4: Simplify right side
    33,903.76x = 888,942,531.11
  5. Step 5: Solve for x
    x = 888,942,531.11/33,903.76
  6. Step 6: Final answer
    x = 26,219.59

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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.