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Finding the Fourth Proportional to 7,328.36, 10,992.54 and 4,867.98

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Solution

The fourth proportional to 7,328.36, 10,992.54 and 4,867.98 is: 7,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.36 : 10,992.54 = 4,867.98 : x
  2. Step 2: Convert to fraction form
    7,328.36/10,992.54 = 4,867.98/x
  3. Step 3: Cross multiply
    7,328.36x = 10,992.54 × 4,867.98
  4. Step 4: Simplify right side
    7,328.36x = 53,511,464.87
  5. Step 5: Solve for x
    x = 53,511,464.87/7,328.36
  6. Step 6: Final answer
    x = 7,301.97

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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.