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Finding the Fourth Proportional to 37,170, 51,282.03 and 21,243.10

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Solution

The fourth proportional to 37,170, 51,282.03 and 21,243.10 is: 29,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170 : 51,282.03 = 21,243.10 : x
  2. Step 2: Convert to fraction form
    37,170/51,282.03 = 21,243.10/x
  3. Step 3: Cross multiply
    37,170x = 51,282.03 × 21,243.10
  4. Step 4: Simplify right side
    37,170x = 1,089,389,291.49
  5. Step 5: Solve for x
    x = 1,089,389,291.49/37,170
  6. Step 6: Final answer
    x = 29,308.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.