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Finding the Fourth Proportional to 33,730.40, 50,653.20 and 18,178.40

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Solution

The fourth proportional to 33,730.40, 50,653.20 and 18,178.40 is: 27,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,730.40 : 50,653.20 = 18,178.40 : x
  2. Step 2: Convert to fraction form
    33,730.40/50,653.20 = 18,178.40/x
  3. Step 3: Cross multiply
    33,730.40x = 50,653.20 × 18,178.40
  4. Step 4: Simplify right side
    33,730.40x = 920,794,130.88
  5. Step 5: Solve for x
    x = 920,794,130.88/33,730.40
  6. Step 6: Final answer
    x = 27,298.64

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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.