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Finding the Fourth Proportional to 49,276, 68,000.92 and 26,920

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Solution

The fourth proportional to 49,276, 68,000.92 and 26,920 is: 37,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,276 : 68,000.92 = 26,920 : x
  2. Step 2: Convert to fraction form
    49,276/68,000.92 = 26,920/x
  3. Step 3: Cross multiply
    49,276x = 68,000.92 × 26,920
  4. Step 4: Simplify right side
    49,276x = 1,830,584,766.40
  5. Step 5: Solve for x
    x = 1,830,584,766.40/49,276
  6. Step 6: Final answer
    x = 37,149.62

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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.