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Finding the Fourth Proportional to 27,775.70, 41,627.10 and 11,122.10

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Solution

The fourth proportional to 27,775.70, 41,627.10 and 11,122.10 is: 16,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.70 : 41,627.10 = 11,122.10 : x
  2. Step 2: Convert to fraction form
    27,775.70/41,627.10 = 11,122.10/x
  3. Step 3: Cross multiply
    27,775.70x = 41,627.10 × 11,122.10
  4. Step 4: Simplify right side
    27,775.70x = 462,980,768.91
  5. Step 5: Solve for x
    x = 462,980,768.91/27,775.70
  6. Step 6: Final answer
    x = 16,668.55

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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.