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Finding the Fourth Proportional to 3,011.73, 4,507.47 and 2,896.71

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Solution

The fourth proportional to 3,011.73, 4,507.47 and 2,896.71 is: 4,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.73 : 4,507.47 = 2,896.71 : x
  2. Step 2: Convert to fraction form
    3,011.73/4,507.47 = 2,896.71/x
  3. Step 3: Cross multiply
    3,011.73x = 4,507.47 × 2,896.71
  4. Step 4: Simplify right side
    3,011.73x = 13,056,833.42
  5. Step 5: Solve for x
    x = 13,056,833.42/3,011.73
  6. Step 6: Final answer
    x = 4,335.33

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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.