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Finding the Fourth Proportional to 3,321.69, 4,956.62 and 3,026.95

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Solution

The fourth proportional to 3,321.69, 4,956.62 and 3,026.95 is: 4,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.69 : 4,956.62 = 3,026.95 : x
  2. Step 2: Convert to fraction form
    3,321.69/4,956.62 = 3,026.95/x
  3. Step 3: Cross multiply
    3,321.69x = 4,956.62 × 3,026.95
  4. Step 4: Simplify right side
    3,321.69x = 15,003,441.26
  5. Step 5: Solve for x
    x = 15,003,441.26/3,321.69
  6. Step 6: Final answer
    x = 4,516.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.