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Finding the Fourth Proportional to 8,329.69, 12,494.54 and 3,401.65

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Solution

The fourth proportional to 8,329.69, 12,494.54 and 3,401.65 is: 5,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.69 : 12,494.54 = 3,401.65 : x
  2. Step 2: Convert to fraction form
    8,329.69/12,494.54 = 3,401.65/x
  3. Step 3: Cross multiply
    8,329.69x = 12,494.54 × 3,401.65
  4. Step 4: Simplify right side
    8,329.69x = 42,502,051.99
  5. Step 5: Solve for x
    x = 42,502,051.99/8,329.69
  6. Step 6: Final answer
    x = 5,102.48

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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.