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Finding the Fourth Proportional to 5,349.30, 8,063.99 and 4,992.54

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Solution

The fourth proportional to 5,349.30, 8,063.99 and 4,992.54 is: 7,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.30 : 8,063.99 = 4,992.54 : x
  2. Step 2: Convert to fraction form
    5,349.30/8,063.99 = 4,992.54/x
  3. Step 3: Cross multiply
    5,349.30x = 8,063.99 × 4,992.54
  4. Step 4: Simplify right side
    5,349.30x = 40,259,767.67
  5. Step 5: Solve for x
    x = 40,259,767.67/5,349.30
  6. Step 6: Final answer
    x = 7,526.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.