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Finding the Fourth Proportional to 22,938.40, 34,375.20 and 16,004.80

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Solution

The fourth proportional to 22,938.40, 34,375.20 and 16,004.80 is: 23,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.40 : 34,375.20 = 16,004.80 : x
  2. Step 2: Convert to fraction form
    22,938.40/34,375.20 = 16,004.80/x
  3. Step 3: Cross multiply
    22,938.40x = 34,375.20 × 16,004.80
  4. Step 4: Simplify right side
    22,938.40x = 550,168,200.96
  5. Step 5: Solve for x
    x = 550,168,200.96/22,938.40
  6. Step 6: Final answer
    x = 23,984.59

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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.