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Finding the Fourth Proportional to 8,845.30, 13,266.30 and 3,578.93

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Solution

The fourth proportional to 8,845.30, 13,266.30 and 3,578.93 is: 5,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.30 : 13,266.30 = 3,578.93 : x
  2. Step 2: Convert to fraction form
    8,845.30/13,266.30 = 3,578.93/x
  3. Step 3: Cross multiply
    8,845.30x = 13,266.30 × 3,578.93
  4. Step 4: Simplify right side
    8,845.30x = 47,479,159.06
  5. Step 5: Solve for x
    x = 47,479,159.06/8,845.30
  6. Step 6: Final answer
    x = 5,367.73

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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.