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Finding the Fourth Proportional to 35,858.67, 49,480.16 and 19,940.06

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Solution

The fourth proportional to 35,858.67, 49,480.16 and 19,940.06 is: 27,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.67 : 49,480.16 = 19,940.06 : x
  2. Step 2: Convert to fraction form
    35,858.67/49,480.16 = 19,940.06/x
  3. Step 3: Cross multiply
    35,858.67x = 49,480.16 × 19,940.06
  4. Step 4: Simplify right side
    35,858.67x = 986,637,012.11
  5. Step 5: Solve for x
    x = 986,637,012.11/35,858.67
  6. Step 6: Final answer
    x = 27,514.60

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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.