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Finding the Fourth Proportional to 50,787.93, 70,099.05 and 33,792.90

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Solution

The fourth proportional to 50,787.93, 70,099.05 and 33,792.90 is: 46,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.93 : 70,099.05 = 33,792.90 : x
  2. Step 2: Convert to fraction form
    50,787.93/70,099.05 = 33,792.90/x
  3. Step 3: Cross multiply
    50,787.93x = 70,099.05 × 33,792.90
  4. Step 4: Simplify right side
    50,787.93x = 2,368,850,186.75
  5. Step 5: Solve for x
    x = 2,368,850,186.75/50,787.93
  6. Step 6: Final answer
    x = 46,641.99

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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.