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Finding the Fourth Proportional to 27,918.35, 41,883.99 and 9,197.72

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Solution

The fourth proportional to 27,918.35, 41,883.99 and 9,197.72 is: 13,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.35 : 41,883.99 = 9,197.72 : x
  2. Step 2: Convert to fraction form
    27,918.35/41,883.99 = 9,197.72/x
  3. Step 3: Cross multiply
    27,918.35x = 41,883.99 × 9,197.72
  4. Step 4: Simplify right side
    27,918.35x = 385,237,003.08
  5. Step 5: Solve for x
    x = 385,237,003.08/27,918.35
  6. Step 6: Final answer
    x = 13,798.70

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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.