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Finding the Fourth Proportional to 34,993.17, 48,287.90 and 19,886.06

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Solution

The fourth proportional to 34,993.17, 48,287.90 and 19,886.06 is: 27,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.17 : 48,287.90 = 19,886.06 : x
  2. Step 2: Convert to fraction form
    34,993.17/48,287.90 = 19,886.06/x
  3. Step 3: Cross multiply
    34,993.17x = 48,287.90 × 19,886.06
  4. Step 4: Simplify right side
    34,993.17x = 960,255,735.80
  5. Step 5: Solve for x
    x = 960,255,735.80/34,993.17
  6. Step 6: Final answer
    x = 27,441.23

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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.