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Finding the Fourth Proportional to 7,107.09, 10,660.70 and 2,723.50

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Solution

The fourth proportional to 7,107.09, 10,660.70 and 2,723.50 is: 4,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.09 : 10,660.70 = 2,723.50 : x
  2. Step 2: Convert to fraction form
    7,107.09/10,660.70 = 2,723.50/x
  3. Step 3: Cross multiply
    7,107.09x = 10,660.70 × 2,723.50
  4. Step 4: Simplify right side
    7,107.09x = 29,034,416.45
  5. Step 5: Solve for x
    x = 29,034,416.45/7,107.09
  6. Step 6: Final answer
    x = 4,085.27

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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.