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Finding the Fourth Proportional to 5,331.84, 7,997.80 and 5,324.16

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Solution

The fourth proportional to 5,331.84, 7,997.80 and 5,324.16 is: 7,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.84 : 7,997.80 = 5,324.16 : x
  2. Step 2: Convert to fraction form
    5,331.84/7,997.80 = 5,324.16/x
  3. Step 3: Cross multiply
    5,331.84x = 7,997.80 × 5,324.16
  4. Step 4: Simplify right side
    5,331.84x = 42,581,566.85
  5. Step 5: Solve for x
    x = 42,581,566.85/5,331.84
  6. Step 6: Final answer
    x = 7,986.28

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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.