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Finding the Fourth Proportional to 6,672.55, 10,012.25 and 2,977.21

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Solution

The fourth proportional to 6,672.55, 10,012.25 and 2,977.21 is: 4,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.55 : 10,012.25 = 2,977.21 : x
  2. Step 2: Convert to fraction form
    6,672.55/10,012.25 = 2,977.21/x
  3. Step 3: Cross multiply
    6,672.55x = 10,012.25 × 2,977.21
  4. Step 4: Simplify right side
    6,672.55x = 29,808,513.53
  5. Step 5: Solve for x
    x = 29,808,513.53/6,672.55
  6. Step 6: Final answer
    x = 4,467.33

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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.