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Finding the Fourth Proportional to 2,997.02, 4,133.82 and 2,749.16

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Solution

The fourth proportional to 2,997.02, 4,133.82 and 2,749.16 is: 3,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.02 : 4,133.82 = 2,749.16 : x
  2. Step 2: Convert to fraction form
    2,997.02/4,133.82 = 2,749.16/x
  3. Step 3: Cross multiply
    2,997.02x = 4,133.82 × 2,749.16
  4. Step 4: Simplify right side
    2,997.02x = 11,364,532.59
  5. Step 5: Solve for x
    x = 11,364,532.59/2,997.02
  6. Step 6: Final answer
    x = 3,791.94

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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.