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Finding the Fourth Proportional to 23,421, 35,076.26 and 20,326.26

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Solution

The fourth proportional to 23,421, 35,076.26 and 20,326.26 is: 30,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421 : 35,076.26 = 20,326.26 : x
  2. Step 2: Convert to fraction form
    23,421/35,076.26 = 20,326.26/x
  3. Step 3: Cross multiply
    23,421x = 35,076.26 × 20,326.26
  4. Step 4: Simplify right side
    23,421x = 712,969,180.59
  5. Step 5: Solve for x
    x = 712,969,180.59/23,421
  6. Step 6: Final answer
    x = 30,441.45

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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.