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Finding the Fourth Proportional to 6,940.88, 10,411.32 and 1,746.75

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Solution

The fourth proportional to 6,940.88, 10,411.32 and 1,746.75 is: 2,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.88 : 10,411.32 = 1,746.75 : x
  2. Step 2: Convert to fraction form
    6,940.88/10,411.32 = 1,746.75/x
  3. Step 3: Cross multiply
    6,940.88x = 10,411.32 × 1,746.75
  4. Step 4: Simplify right side
    6,940.88x = 18,185,973.21
  5. Step 5: Solve for x
    x = 18,185,973.21/6,940.88
  6. Step 6: Final answer
    x = 2,620.13

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Similar ratio
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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.