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Finding the Fourth Proportional to 8,940.30, 13,411.10 and 2,366.44

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Solution

The fourth proportional to 8,940.30, 13,411.10 and 2,366.44 is: 3,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.30 : 13,411.10 = 2,366.44 : x
  2. Step 2: Convert to fraction form
    8,940.30/13,411.10 = 2,366.44/x
  3. Step 3: Cross multiply
    8,940.30x = 13,411.10 × 2,366.44
  4. Step 4: Simplify right side
    8,940.30x = 31,736,535.87
  5. Step 5: Solve for x
    x = 31,736,535.87/8,940.30
  6. Step 6: Final answer
    x = 3,549.83

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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.