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Finding the Fourth Proportional to 5,553.06, 7,663.11 and 3,195.06

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Solution

The fourth proportional to 5,553.06, 7,663.11 and 3,195.06 is: 4,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.06 : 7,663.11 = 3,195.06 : x
  2. Step 2: Convert to fraction form
    5,553.06/7,663.11 = 3,195.06/x
  3. Step 3: Cross multiply
    5,553.06x = 7,663.11 × 3,195.06
  4. Step 4: Simplify right side
    5,553.06x = 24,484,096.24
  5. Step 5: Solve for x
    x = 24,484,096.24/5,553.06
  6. Step 6: Final answer
    x = 4,409.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.