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Finding the Fourth Proportional to 56,660.70, 84,917.12 and 23,347.22

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Solution

The fourth proportional to 56,660.70, 84,917.12 and 23,347.22 is: 34,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.70 : 84,917.12 = 23,347.22 : x
  2. Step 2: Convert to fraction form
    56,660.70/84,917.12 = 23,347.22/x
  3. Step 3: Cross multiply
    56,660.70x = 84,917.12 × 23,347.22
  4. Step 4: Simplify right side
    56,660.70x = 1,982,578,682.41
  5. Step 5: Solve for x
    x = 1,982,578,682.41/56,660.70
  6. Step 6: Final answer
    x = 34,990.37

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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.