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Finding the Fourth Proportional to 5,328.24, 7,992.09 and 5,167.86

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Solution

The fourth proportional to 5,328.24, 7,992.09 and 5,167.86 is: 7,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.24 : 7,992.09 = 5,167.86 : x
  2. Step 2: Convert to fraction form
    5,328.24/7,992.09 = 5,167.86/x
  3. Step 3: Cross multiply
    5,328.24x = 7,992.09 × 5,167.86
  4. Step 4: Simplify right side
    5,328.24x = 41,302,002.23
  5. Step 5: Solve for x
    x = 41,302,002.23/5,328.24
  6. Step 6: Final answer
    x = 7,751.53

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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.