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Finding the Fourth Proportional to 3,057.53, 4,586.58 and 866.27

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Solution

The fourth proportional to 3,057.53, 4,586.58 and 866.27 is: 1,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.53 : 4,586.58 = 866.27 : x
  2. Step 2: Convert to fraction form
    3,057.53/4,586.58 = 866.27/x
  3. Step 3: Cross multiply
    3,057.53x = 4,586.58 × 866.27
  4. Step 4: Simplify right side
    3,057.53x = 3,973,216.66
  5. Step 5: Solve for x
    x = 3,973,216.66/3,057.53
  6. Step 6: Final answer
    x = 1,299.49

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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.