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Finding the Fourth Proportional to 60,787.64, 83,900.94 and 35,645.24

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Solution

The fourth proportional to 60,787.64, 83,900.94 and 35,645.24 is: 49,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.64 : 83,900.94 = 35,645.24 : x
  2. Step 2: Convert to fraction form
    60,787.64/83,900.94 = 35,645.24/x
  3. Step 3: Cross multiply
    60,787.64x = 83,900.94 × 35,645.24
  4. Step 4: Simplify right side
    60,787.64x = 2,990,669,142.53
  5. Step 5: Solve for x
    x = 2,990,669,142.53/60,787.64
  6. Step 6: Final answer
    x = 49,198.64

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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.