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Finding the Fourth Proportional to 27,290.36, 40,911.60 and 22,648.88

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Solution

The fourth proportional to 27,290.36, 40,911.60 and 22,648.88 is: 33,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.36 : 40,911.60 = 22,648.88 : x
  2. Step 2: Convert to fraction form
    27,290.36/40,911.60 = 22,648.88/x
  3. Step 3: Cross multiply
    27,290.36x = 40,911.60 × 22,648.88
  4. Step 4: Simplify right side
    27,290.36x = 926,601,919.01
  5. Step 5: Solve for x
    x = 926,601,919.01/27,290.36
  6. Step 6: Final answer
    x = 33,953.45

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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.