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Finding the Fourth Proportional to 7,065.36, 9,745.92 and 5,473.44

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Solution

The fourth proportional to 7,065.36, 9,745.92 and 5,473.44 is: 7,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.36 : 9,745.92 = 5,473.44 : x
  2. Step 2: Convert to fraction form
    7,065.36/9,745.92 = 5,473.44/x
  3. Step 3: Cross multiply
    7,065.36x = 9,745.92 × 5,473.44
  4. Step 4: Simplify right side
    7,065.36x = 53,343,708.36
  5. Step 5: Solve for x
    x = 53,343,708.36/7,065.36
  6. Step 6: Final answer
    x = 7,550.03

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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.