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Finding the Fourth Proportional to 27,039.44, 40,559.16 and 17,687.32

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Solution

The fourth proportional to 27,039.44, 40,559.16 and 17,687.32 is: 26,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.44 : 40,559.16 = 17,687.32 : x
  2. Step 2: Convert to fraction form
    27,039.44/40,559.16 = 17,687.32/x
  3. Step 3: Cross multiply
    27,039.44x = 40,559.16 × 17,687.32
  4. Step 4: Simplify right side
    27,039.44x = 717,382,841.85
  5. Step 5: Solve for x
    x = 717,382,841.85/27,039.44
  6. Step 6: Final answer
    x = 26,530.98

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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.