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Finding the Fourth Proportional to 23,740.28, 35,622.79 and 17,220.28

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Solution

The fourth proportional to 23,740.28, 35,622.79 and 17,220.28 is: 25,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.28 : 35,622.79 = 17,220.28 : x
  2. Step 2: Convert to fraction form
    23,740.28/35,622.79 = 17,220.28/x
  3. Step 3: Cross multiply
    23,740.28x = 35,622.79 × 17,220.28
  4. Step 4: Simplify right side
    23,740.28x = 613,434,418.18
  5. Step 5: Solve for x
    x = 613,434,418.18/23,740.28
  6. Step 6: Final answer
    x = 25,839.39

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1.5x scale

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.