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Finding the Fourth Proportional to 27,897.77, 41,849.41 and 9,170.21

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Solution

The fourth proportional to 27,897.77, 41,849.41 and 9,170.21 is: 13,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.77 : 41,849.41 = 9,170.21 : x
  2. Step 2: Convert to fraction form
    27,897.77/41,849.41 = 9,170.21/x
  3. Step 3: Cross multiply
    27,897.77x = 41,849.41 × 9,170.21
  4. Step 4: Simplify right side
    27,897.77x = 383,767,622.98
  5. Step 5: Solve for x
    x = 383,767,622.98/27,897.77
  6. Step 6: Final answer
    x = 13,756.21

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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.