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Finding the Fourth Proportional to 19,658.22, 26,975.76 and 17,876.22

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Solution

The fourth proportional to 19,658.22, 26,975.76 and 17,876.22 is: 24,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.22 : 26,975.76 = 17,876.22 : x
  2. Step 2: Convert to fraction form
    19,658.22/26,975.76 = 17,876.22/x
  3. Step 3: Cross multiply
    19,658.22x = 26,975.76 × 17,876.22
  4. Step 4: Simplify right side
    19,658.22x = 482,224,620.43
  5. Step 5: Solve for x
    x = 482,224,620.43/19,658.22
  6. Step 6: Final answer
    x = 24,530.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.