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Finding the Fourth Proportional to 27,004.50, 40,435.80 and 19,064.22

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Solution

The fourth proportional to 27,004.50, 40,435.80 and 19,064.22 is: 28,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,004.50 : 40,435.80 = 19,064.22 : x
  2. Step 2: Convert to fraction form
    27,004.50/40,435.80 = 19,064.22/x
  3. Step 3: Cross multiply
    27,004.50x = 40,435.80 × 19,064.22
  4. Step 4: Simplify right side
    27,004.50x = 770,876,987.08
  5. Step 5: Solve for x
    x = 770,876,987.08/27,004.50
  6. Step 6: Final answer
    x = 28,546.24

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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.