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Finding the Fourth Proportional to 56,403, 84,617.46 and 19,467

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Solution

The fourth proportional to 56,403, 84,617.46 and 19,467 is: 29,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403 : 84,617.46 = 19,467 : x
  2. Step 2: Convert to fraction form
    56,403/84,617.46 = 19,467/x
  3. Step 3: Cross multiply
    56,403x = 84,617.46 × 19,467
  4. Step 4: Simplify right side
    56,403x = 1,647,248,093.82
  5. Step 5: Solve for x
    x = 1,647,248,093.82/56,403
  6. Step 6: Final answer
    x = 29,204.97

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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.