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Finding the Fourth Proportional to 7,493.54, 11,240.22 and 1,946.39

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Solution

The fourth proportional to 7,493.54, 11,240.22 and 1,946.39 is: 2,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.54 : 11,240.22 = 1,946.39 : x
  2. Step 2: Convert to fraction form
    7,493.54/11,240.22 = 1,946.39/x
  3. Step 3: Cross multiply
    7,493.54x = 11,240.22 × 1,946.39
  4. Step 4: Simplify right side
    7,493.54x = 21,877,851.81
  5. Step 5: Solve for x
    x = 21,877,851.81/7,493.54
  6. Step 6: Final answer
    x = 2,919.56

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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.