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Finding the Fourth Proportional to 5,913.88, 8,871.86 and 2,453.56

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Solution

The fourth proportional to 5,913.88, 8,871.86 and 2,453.56 is: 3,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.88 : 8,871.86 = 2,453.56 : x
  2. Step 2: Convert to fraction form
    5,913.88/8,871.86 = 2,453.56/x
  3. Step 3: Cross multiply
    5,913.88x = 8,871.86 × 2,453.56
  4. Step 4: Simplify right side
    5,913.88x = 21,767,640.82
  5. Step 5: Solve for x
    x = 21,767,640.82/5,913.88
  6. Step 6: Final answer
    x = 3,680.77

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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.