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Finding the Fourth Proportional to 56,290.70, 84,408.78 and 22,997.54

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Solution

The fourth proportional to 56,290.70, 84,408.78 and 22,997.54 is: 34,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.70 : 84,408.78 = 22,997.54 : x
  2. Step 2: Convert to fraction form
    56,290.70/84,408.78 = 22,997.54/x
  3. Step 3: Cross multiply
    56,290.70x = 84,408.78 × 22,997.54
  4. Step 4: Simplify right side
    56,290.70x = 1,941,194,294.40
  5. Step 5: Solve for x
    x = 1,941,194,294.40/56,290.70
  6. Step 6: Final answer
    x = 34,485.17

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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.