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Finding the Fourth Proportional to 7,927.27, 10,940.07 and 4,390.41

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Solution

The fourth proportional to 7,927.27, 10,940.07 and 4,390.41 is: 6,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.27 : 10,940.07 = 4,390.41 : x
  2. Step 2: Convert to fraction form
    7,927.27/10,940.07 = 4,390.41/x
  3. Step 3: Cross multiply
    7,927.27x = 10,940.07 × 4,390.41
  4. Step 4: Simplify right side
    7,927.27x = 48,031,392.73
  5. Step 5: Solve for x
    x = 48,031,392.73/7,927.27
  6. Step 6: Final answer
    x = 6,059.01

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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.