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Finding the Fourth Proportional to 27,324.41, 40,986.68 and 7,603.00

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Solution

The fourth proportional to 27,324.41, 40,986.68 and 7,603.00 is: 11,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.41 : 40,986.68 = 7,603.00 : x
  2. Step 2: Convert to fraction form
    27,324.41/40,986.68 = 7,603.00/x
  3. Step 3: Cross multiply
    27,324.41x = 40,986.68 × 7,603.00
  4. Step 4: Simplify right side
    27,324.41x = 311,621,587.56
  5. Step 5: Solve for x
    x = 311,621,587.56/27,324.41
  6. Step 6: Final answer
    x = 11,404.52

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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.