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Finding the Fourth Proportional to 49,704.93, 68,594.70 and 28,488.30

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Solution

The fourth proportional to 49,704.93, 68,594.70 and 28,488.30 is: 39,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,704.93 : 68,594.70 = 28,488.30 : x
  2. Step 2: Convert to fraction form
    49,704.93/68,594.70 = 28,488.30/x
  3. Step 3: Cross multiply
    49,704.93x = 68,594.70 × 28,488.30
  4. Step 4: Simplify right side
    49,704.93x = 1,954,146,392.01
  5. Step 5: Solve for x
    x = 1,954,146,392.01/49,704.93
  6. Step 6: Final answer
    x = 39,314.94

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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.