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Finding the Fourth Proportional to 29,916, 44,783.28 and 19,975.68

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Solution

The fourth proportional to 29,916, 44,783.28 and 19,975.68 is: 29,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916 : 44,783.28 = 19,975.68 : x
  2. Step 2: Convert to fraction form
    29,916/44,783.28 = 19,975.68/x
  3. Step 3: Cross multiply
    29,916x = 44,783.28 × 19,975.68
  4. Step 4: Simplify right side
    29,916x = 894,576,470.63
  5. Step 5: Solve for x
    x = 894,576,470.63/29,916
  6. Step 6: Final answer
    x = 29,902.94

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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.