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Finding the Fourth Proportional to 27,899.54, 41,853.81 and 9,174.14

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Solution

The fourth proportional to 27,899.54, 41,853.81 and 9,174.14 is: 13,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.54 : 41,853.81 = 9,174.14 : x
  2. Step 2: Convert to fraction form
    27,899.54/41,853.81 = 9,174.14/x
  3. Step 3: Cross multiply
    27,899.54x = 41,853.81 × 9,174.14
  4. Step 4: Simplify right side
    27,899.54x = 383,972,712.47
  5. Step 5: Solve for x
    x = 383,972,712.47/27,899.54
  6. Step 6: Final answer
    x = 13,762.69

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1.5x scale

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.