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Finding the Fourth Proportional to 33,119.40, 49,674.30 and 9,743.40

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Solution

The fourth proportional to 33,119.40, 49,674.30 and 9,743.40 is: 14,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.40 : 49,674.30 = 9,743.40 : x
  2. Step 2: Convert to fraction form
    33,119.40/49,674.30 = 9,743.40/x
  3. Step 3: Cross multiply
    33,119.40x = 49,674.30 × 9,743.40
  4. Step 4: Simplify right side
    33,119.40x = 483,996,574.62
  5. Step 5: Solve for x
    x = 483,996,574.62/33,119.40
  6. Step 6: Final answer
    x = 14,613.69

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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.