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Finding the Fourth Proportional to 2,912.01, 4,018.58 and 1,733.05

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Solution

The fourth proportional to 2,912.01, 4,018.58 and 1,733.05 is: 2,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.01 : 4,018.58 = 1,733.05 : x
  2. Step 2: Convert to fraction form
    2,912.01/4,018.58 = 1,733.05/x
  3. Step 3: Cross multiply
    2,912.01x = 4,018.58 × 1,733.05
  4. Step 4: Simplify right side
    2,912.01x = 6,964,400.07
  5. Step 5: Solve for x
    x = 6,964,400.07/2,912.01
  6. Step 6: Final answer
    x = 2,391.61

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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.