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Finding the Fourth Proportional to 35,612.80, 53,419.20 and 22,523.20

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Solution

The fourth proportional to 35,612.80, 53,419.20 and 22,523.20 is: 33,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.80 : 53,419.20 = 22,523.20 : x
  2. Step 2: Convert to fraction form
    35,612.80/53,419.20 = 22,523.20/x
  3. Step 3: Cross multiply
    35,612.80x = 53,419.20 × 22,523.20
  4. Step 4: Simplify right side
    35,612.80x = 1,203,171,325.44
  5. Step 5: Solve for x
    x = 1,203,171,325.44/35,612.80
  6. Step 6: Final answer
    x = 33,784.80

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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.