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Finding the Fourth Proportional to 48,698, 67,203.30 and 26,342

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Solution

The fourth proportional to 48,698, 67,203.30 and 26,342 is: 36,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,698 : 67,203.30 = 26,342 : x
  2. Step 2: Convert to fraction form
    48,698/67,203.30 = 26,342/x
  3. Step 3: Cross multiply
    48,698x = 67,203.30 × 26,342
  4. Step 4: Simplify right side
    48,698x = 1,770,269,328.60
  5. Step 5: Solve for x
    x = 1,770,269,328.60/48,698
  6. Step 6: Final answer
    x = 36,351.99

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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.