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Finding the Fourth Proportional to 19,222.52, 28,837.25 and 8,697.48

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Solution

The fourth proportional to 19,222.52, 28,837.25 and 8,697.48 is: 13,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.52 : 28,837.25 = 8,697.48 : x
  2. Step 2: Convert to fraction form
    19,222.52/28,837.25 = 8,697.48/x
  3. Step 3: Cross multiply
    19,222.52x = 28,837.25 × 8,697.48
  4. Step 4: Simplify right side
    19,222.52x = 250,811,361.64
  5. Step 5: Solve for x
    x = 250,811,361.64/19,222.52
  6. Step 6: Final answer
    x = 13,047.79

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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.