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Finding the Fourth Proportional to 49,788, 68,708.88 and 27,433.44

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Solution

The fourth proportional to 49,788, 68,708.88 and 27,433.44 is: 37,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,788 : 68,708.88 = 27,433.44 : x
  2. Step 2: Convert to fraction form
    49,788/68,708.88 = 27,433.44/x
  3. Step 3: Cross multiply
    49,788x = 68,708.88 × 27,433.44
  4. Step 4: Simplify right side
    49,788x = 1,884,920,936.95
  5. Step 5: Solve for x
    x = 1,884,920,936.95/49,788
  6. Step 6: Final answer
    x = 37,858.94

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1.5x scale

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.