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Finding the Fourth Proportional to 33,271.08, 45,920.04 and 19,843.20

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Solution

The fourth proportional to 33,271.08, 45,920.04 and 19,843.20 is: 27,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.08 : 45,920.04 = 19,843.20 : x
  2. Step 2: Convert to fraction form
    33,271.08/45,920.04 = 19,843.20/x
  3. Step 3: Cross multiply
    33,271.08x = 45,920.04 × 19,843.20
  4. Step 4: Simplify right side
    33,271.08x = 911,200,537.73
  5. Step 5: Solve for x
    x = 911,200,537.73/33,271.08
  6. Step 6: Final answer
    x = 27,387.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.