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Finding the Fourth Proportional to 33,987.52, 50,968.32 and 13,208.32

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Solution

The fourth proportional to 33,987.52, 50,968.32 and 13,208.32 is: 19,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,987.52 : 50,968.32 = 13,208.32 : x
  2. Step 2: Convert to fraction form
    33,987.52/50,968.32 = 13,208.32/x
  3. Step 3: Cross multiply
    33,987.52x = 50,968.32 × 13,208.32
  4. Step 4: Simplify right side
    33,987.52x = 673,205,880.42
  5. Step 5: Solve for x
    x = 673,205,880.42/33,987.52
  6. Step 6: Final answer
    x = 19,807.44

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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.