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Finding the Fourth Proportional to 35,897.79, 49,538.43 and 19,982.22

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Solution

The fourth proportional to 35,897.79, 49,538.43 and 19,982.22 is: 27,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,897.79 : 49,538.43 = 19,982.22 : x
  2. Step 2: Convert to fraction form
    35,897.79/49,538.43 = 19,982.22/x
  3. Step 3: Cross multiply
    35,897.79x = 49,538.43 × 19,982.22
  4. Step 4: Simplify right side
    35,897.79x = 989,887,806.71
  5. Step 5: Solve for x
    x = 989,887,806.71/35,897.79
  6. Step 6: Final answer
    x = 27,575.17

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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.