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Finding the Fourth Proportional to 33,782.04, 46,619.20 and 18,674.72

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Solution

The fourth proportional to 33,782.04, 46,619.20 and 18,674.72 is: 25,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,782.04 : 46,619.20 = 18,674.72 : x
  2. Step 2: Convert to fraction form
    33,782.04/46,619.20 = 18,674.72/x
  3. Step 3: Cross multiply
    33,782.04x = 46,619.20 × 18,674.72
  4. Step 4: Simplify right side
    33,782.04x = 870,600,506.62
  5. Step 5: Solve for x
    x = 870,600,506.62/33,782.04
  6. Step 6: Final answer
    x = 25,771.11

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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.