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Finding the Fourth Proportional to 33,392.91, 46,082.21 and 18,488.91

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Solution

The fourth proportional to 33,392.91, 46,082.21 and 18,488.91 is: 25,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,392.91 : 46,082.21 = 18,488.91 : x
  2. Step 2: Convert to fraction form
    33,392.91/46,082.21 = 18,488.91/x
  3. Step 3: Cross multiply
    33,392.91x = 46,082.21 × 18,488.91
  4. Step 4: Simplify right side
    33,392.91x = 852,009,740.85
  5. Step 5: Solve for x
    x = 852,009,740.85/33,392.91
  6. Step 6: Final answer
    x = 25,514.69

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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.