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Finding the Fourth Proportional to 19,362.63, 29,045.97 and 8,270.49

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Solution

The fourth proportional to 19,362.63, 29,045.97 and 8,270.49 is: 12,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.63 : 29,045.97 = 8,270.49 : x
  2. Step 2: Convert to fraction form
    19,362.63/29,045.97 = 8,270.49/x
  3. Step 3: Cross multiply
    19,362.63x = 29,045.97 × 8,270.49
  4. Step 4: Simplify right side
    19,362.63x = 240,224,404.43
  5. Step 5: Solve for x
    x = 240,224,404.43/19,362.63
  6. Step 6: Final answer
    x = 12,406.60

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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.