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Finding the Fourth Proportional to 49,626, 68,483.88 and 27,270

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Solution

The fourth proportional to 49,626, 68,483.88 and 27,270 is: 37,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,626 : 68,483.88 = 27,270 : x
  2. Step 2: Convert to fraction form
    49,626/68,483.88 = 27,270/x
  3. Step 3: Cross multiply
    49,626x = 68,483.88 × 27,270
  4. Step 4: Simplify right side
    49,626x = 1,867,555,407.60
  5. Step 5: Solve for x
    x = 1,867,555,407.60/49,626
  6. Step 6: Final answer
    x = 37,632.60

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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.