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Finding the Fourth Proportional to 3,326.69, 4,590.81 and 1,834.67

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Solution

The fourth proportional to 3,326.69, 4,590.81 and 1,834.67 is: 2,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.69 : 4,590.81 = 1,834.67 : x
  2. Step 2: Convert to fraction form
    3,326.69/4,590.81 = 1,834.67/x
  3. Step 3: Cross multiply
    3,326.69x = 4,590.81 × 1,834.67
  4. Step 4: Simplify right side
    3,326.69x = 8,422,632.86
  5. Step 5: Solve for x
    x = 8,422,632.86/3,326.69
  6. Step 6: Final answer
    x = 2,531.83

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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.