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Finding the Fourth Proportional to 35,351.49, 53,024.47 and 20,550.97

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Solution

The fourth proportional to 35,351.49, 53,024.47 and 20,550.97 is: 30,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,351.49 : 53,024.47 = 20,550.97 : x
  2. Step 2: Convert to fraction form
    35,351.49/53,024.47 = 20,550.97/x
  3. Step 3: Cross multiply
    35,351.49x = 53,024.47 × 20,550.97
  4. Step 4: Simplify right side
    35,351.49x = 1,089,704,292.24
  5. Step 5: Solve for x
    x = 1,089,704,292.24/35,351.49
  6. Step 6: Final answer
    x = 30,824.85

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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.