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Finding the Fourth Proportional to 34,844.40, 52,271.40 and 15,122.40

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Solution

The fourth proportional to 34,844.40, 52,271.40 and 15,122.40 is: 22,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,844.40 : 52,271.40 = 15,122.40 : x
  2. Step 2: Convert to fraction form
    34,844.40/52,271.40 = 15,122.40/x
  3. Step 3: Cross multiply
    34,844.40x = 52,271.40 × 15,122.40
  4. Step 4: Simplify right side
    34,844.40x = 790,469,019.36
  5. Step 5: Solve for x
    x = 790,469,019.36/34,844.40
  6. Step 6: Final answer
    x = 22,685.68

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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.