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Finding the Fourth Proportional to 11,653.44, 17,479.77 and 6,941.91

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Solution

The fourth proportional to 11,653.44, 17,479.77 and 6,941.91 is: 10,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.44 : 17,479.77 = 6,941.91 : x
  2. Step 2: Convert to fraction form
    11,653.44/17,479.77 = 6,941.91/x
  3. Step 3: Cross multiply
    11,653.44x = 17,479.77 × 6,941.91
  4. Step 4: Simplify right side
    11,653.44x = 121,342,990.16
  5. Step 5: Solve for x
    x = 121,342,990.16/11,653.44
  6. Step 6: Final answer
    x = 10,412.63

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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.