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Finding the Fourth Proportional to 6,996.54, 10,485.90 and 3,711.18

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Solution

The fourth proportional to 6,996.54, 10,485.90 and 3,711.18 is: 5,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996.54 : 10,485.90 = 3,711.18 : x
  2. Step 2: Convert to fraction form
    6,996.54/10,485.90 = 3,711.18/x
  3. Step 3: Cross multiply
    6,996.54x = 10,485.90 × 3,711.18
  4. Step 4: Simplify right side
    6,996.54x = 38,915,062.36
  5. Step 5: Solve for x
    x = 38,915,062.36/6,996.54
  6. Step 6: Final answer
    x = 5,562.04

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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.