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Finding the Fourth Proportional to 49,448.94, 68,239.72 and 26,787.88

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Solution

The fourth proportional to 49,448.94, 68,239.72 and 26,787.88 is: 36,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.94 : 68,239.72 = 26,787.88 : x
  2. Step 2: Convert to fraction form
    49,448.94/68,239.72 = 26,787.88/x
  3. Step 3: Cross multiply
    49,448.94x = 68,239.72 × 26,787.88
  4. Step 4: Simplify right side
    49,448.94x = 1,827,997,110.81
  5. Step 5: Solve for x
    x = 1,827,997,110.81/49,448.94
  6. Step 6: Final answer
    x = 36,967.36

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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.