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Finding the Fourth Proportional to 37,940.40, 56,945.03 and 19,233.45

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Solution

The fourth proportional to 37,940.40, 56,945.03 and 19,233.45 is: 28,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.40 : 56,945.03 = 19,233.45 : x
  2. Step 2: Convert to fraction form
    37,940.40/56,945.03 = 19,233.45/x
  3. Step 3: Cross multiply
    37,940.40x = 56,945.03 × 19,233.45
  4. Step 4: Simplify right side
    37,940.40x = 1,095,249,291.09
  5. Step 5: Solve for x
    x = 1,095,249,291.09/37,940.40
  6. Step 6: Final answer
    x = 28,867.63

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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.