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Finding the Fourth Proportional to 6,990.57, 10,483.83 and 2,059.29

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Solution

The fourth proportional to 6,990.57, 10,483.83 and 2,059.29 is: 3,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.57 : 10,483.83 = 2,059.29 : x
  2. Step 2: Convert to fraction form
    6,990.57/10,483.83 = 2,059.29/x
  3. Step 3: Cross multiply
    6,990.57x = 10,483.83 × 2,059.29
  4. Step 4: Simplify right side
    6,990.57x = 21,589,246.28
  5. Step 5: Solve for x
    x = 21,589,246.28/6,990.57
  6. Step 6: Final answer
    x = 3,088.34

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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.