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Finding the Fourth Proportional to 46,859.85, 70,212.02 and 32,979.69

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Solution

The fourth proportional to 46,859.85, 70,212.02 and 32,979.69 is: 49,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,859.85 : 70,212.02 = 32,979.69 : x
  2. Step 2: Convert to fraction form
    46,859.85/70,212.02 = 32,979.69/x
  3. Step 3: Cross multiply
    46,859.85x = 70,212.02 × 32,979.69
  4. Step 4: Simplify right side
    46,859.85x = 2,315,570,488.98
  5. Step 5: Solve for x
    x = 2,315,570,488.98/46,859.85
  6. Step 6: Final answer
    x = 49,414.81

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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.