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Finding the Fourth Proportional to 4,676.28, 6,461.82 and 4,448.49

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Solution

The fourth proportional to 4,676.28, 6,461.82 and 4,448.49 is: 6,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.28 : 6,461.82 = 4,448.49 : x
  2. Step 2: Convert to fraction form
    4,676.28/6,461.82 = 4,448.49/x
  3. Step 3: Cross multiply
    4,676.28x = 6,461.82 × 4,448.49
  4. Step 4: Simplify right side
    4,676.28x = 28,745,341.65
  5. Step 5: Solve for x
    x = 28,745,341.65/4,676.28
  6. Step 6: Final answer
    x = 6,147.05

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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.