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Finding the Fourth Proportional to 12,798.08, 19,193.36 and 4,476.54

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Solution

The fourth proportional to 12,798.08, 19,193.36 and 4,476.54 is: 6,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.08 : 19,193.36 = 4,476.54 : x
  2. Step 2: Convert to fraction form
    12,798.08/19,193.36 = 4,476.54/x
  3. Step 3: Cross multiply
    12,798.08x = 19,193.36 × 4,476.54
  4. Step 4: Simplify right side
    12,798.08x = 85,919,839.39
  5. Step 5: Solve for x
    x = 85,919,839.39/12,798.08
  6. Step 6: Final answer
    x = 6,713.50

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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.