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Finding the Fourth Proportional to 6,676.44, 9,206.94 and 5,087.28

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Solution

The fourth proportional to 6,676.44, 9,206.94 and 5,087.28 is: 7,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.44 : 9,206.94 = 5,087.28 : x
  2. Step 2: Convert to fraction form
    6,676.44/9,206.94 = 5,087.28/x
  3. Step 3: Cross multiply
    6,676.44x = 9,206.94 × 5,087.28
  4. Step 4: Simplify right side
    6,676.44x = 46,838,281.72
  5. Step 5: Solve for x
    x = 46,838,281.72/6,676.44
  6. Step 6: Final answer
    x = 7,015.46

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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.