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Finding the Fourth Proportional to 5,330.82, 7,986.84 and 4,750.98

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Solution

The fourth proportional to 5,330.82, 7,986.84 and 4,750.98 is: 7,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.82 : 7,986.84 = 4,750.98 : x
  2. Step 2: Convert to fraction form
    5,330.82/7,986.84 = 4,750.98/x
  3. Step 3: Cross multiply
    5,330.82x = 7,986.84 × 4,750.98
  4. Step 4: Simplify right side
    5,330.82x = 37,945,317.10
  5. Step 5: Solve for x
    x = 37,945,317.10/5,330.82
  6. Step 6: Final answer
    x = 7,118.10

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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.