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Finding the Fourth Proportional to 21,053.25, 31,585.07 and 6,262.11

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Solution

The fourth proportional to 21,053.25, 31,585.07 and 6,262.11 is: 9,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.25 : 31,585.07 = 6,262.11 : x
  2. Step 2: Convert to fraction form
    21,053.25/31,585.07 = 6,262.11/x
  3. Step 3: Cross multiply
    21,053.25x = 31,585.07 × 6,262.11
  4. Step 4: Simplify right side
    21,053.25x = 197,789,198.35
  5. Step 5: Solve for x
    x = 197,789,198.35/21,053.25
  6. Step 6: Final answer
    x = 9,394.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.