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Finding the Fourth Proportional to 15,161.36, 22,704 and 9,597.92

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Solution

The fourth proportional to 15,161.36, 22,704 and 9,597.92 is: 14,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.36 : 22,704 = 9,597.92 : x
  2. Step 2: Convert to fraction form
    15,161.36/22,704 = 9,597.92/x
  3. Step 3: Cross multiply
    15,161.36x = 22,704 × 9,597.92
  4. Step 4: Simplify right side
    15,161.36x = 217,911,175.68
  5. Step 5: Solve for x
    x = 217,911,175.68/15,161.36
  6. Step 6: Final answer
    x = 14,372.80

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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.