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Finding the Fourth Proportional to 2,911.66, 4,018.94 and 1,733.52

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Solution

The fourth proportional to 2,911.66, 4,018.94 and 1,733.52 is: 2,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.66 : 4,018.94 = 1,733.52 : x
  2. Step 2: Convert to fraction form
    2,911.66/4,018.94 = 1,733.52/x
  3. Step 3: Cross multiply
    2,911.66x = 4,018.94 × 1,733.52
  4. Step 4: Simplify right side
    2,911.66x = 6,966,912.87
  5. Step 5: Solve for x
    x = 6,966,912.87/2,911.66
  6. Step 6: Final answer
    x = 2,392.76

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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.