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Finding the Fourth Proportional to 3,576.76, 4,936.28 and 2,064.40

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Solution

The fourth proportional to 3,576.76, 4,936.28 and 2,064.40 is: 2,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.76 : 4,936.28 = 2,064.40 : x
  2. Step 2: Convert to fraction form
    3,576.76/4,936.28 = 2,064.40/x
  3. Step 3: Cross multiply
    3,576.76x = 4,936.28 × 2,064.40
  4. Step 4: Simplify right side
    3,576.76x = 10,190,456.43
  5. Step 5: Solve for x
    x = 10,190,456.43/3,576.76
  6. Step 6: Final answer
    x = 2,849.07

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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.