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Finding the Fourth Proportional to 35,180.80, 52,809.60 and 19,628.80

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Solution

The fourth proportional to 35,180.80, 52,809.60 and 19,628.80 is: 29,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.80 : 52,809.60 = 19,628.80 : x
  2. Step 2: Convert to fraction form
    35,180.80/52,809.60 = 19,628.80/x
  3. Step 3: Cross multiply
    35,180.80x = 52,809.60 × 19,628.80
  4. Step 4: Simplify right side
    35,180.80x = 1,036,589,076.48
  5. Step 5: Solve for x
    x = 1,036,589,076.48/35,180.80
  6. Step 6: Final answer
    x = 29,464.62

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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.