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Finding the Fourth Proportional to 6,999.74, 10,501.26 and 3,105.26

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Solution

The fourth proportional to 6,999.74, 10,501.26 and 3,105.26 is: 4,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.74 : 10,501.26 = 3,105.26 : x
  2. Step 2: Convert to fraction form
    6,999.74/10,501.26 = 3,105.26/x
  3. Step 3: Cross multiply
    6,999.74x = 10,501.26 × 3,105.26
  4. Step 4: Simplify right side
    6,999.74x = 32,609,142.63
  5. Step 5: Solve for x
    x = 32,609,142.63/6,999.74
  6. Step 6: Final answer
    x = 4,658.62

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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.