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Finding the Fourth Proportional to 3,042.69, 4,199.16 and 1,716.67

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Solution

The fourth proportional to 3,042.69, 4,199.16 and 1,716.67 is: 2,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.69 : 4,199.16 = 1,716.67 : x
  2. Step 2: Convert to fraction form
    3,042.69/4,199.16 = 1,716.67/x
  3. Step 3: Cross multiply
    3,042.69x = 4,199.16 × 1,716.67
  4. Step 4: Simplify right side
    3,042.69x = 7,208,542.42
  5. Step 5: Solve for x
    x = 7,208,542.42/3,042.69
  6. Step 6: Final answer
    x = 2,369.14

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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.