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Finding the Fourth Proportional to 19,225.26, 28,837.71 and 8,698.86

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Solution

The fourth proportional to 19,225.26, 28,837.71 and 8,698.86 is: 13,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.26 : 28,837.71 = 8,698.86 : x
  2. Step 2: Convert to fraction form
    19,225.26/28,837.71 = 8,698.86/x
  3. Step 3: Cross multiply
    19,225.26x = 28,837.71 × 8,698.86
  4. Step 4: Simplify right side
    19,225.26x = 250,855,202.01
  5. Step 5: Solve for x
    x = 250,855,202.01/19,225.26
  6. Step 6: Final answer
    x = 13,048.21

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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.