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Finding the Fourth Proportional to 56,951.65, 85,411.83 and 16,968.83

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Solution

The fourth proportional to 56,951.65, 85,411.83 and 16,968.83 is: 25,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.65 : 85,411.83 = 16,968.83 : x
  2. Step 2: Convert to fraction form
    56,951.65/85,411.83 = 16,968.83/x
  3. Step 3: Cross multiply
    56,951.65x = 85,411.83 × 16,968.83
  4. Step 4: Simplify right side
    56,951.65x = 1,449,339,036.79
  5. Step 5: Solve for x
    x = 1,449,339,036.79/56,951.65
  6. Step 6: Final answer
    x = 25,448.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.