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Finding the Fourth Proportional to 7,750.03, 10,695.06 and 4,213.23

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Solution

The fourth proportional to 7,750.03, 10,695.06 and 4,213.23 is: 5,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.03 : 10,695.06 = 4,213.23 : x
  2. Step 2: Convert to fraction form
    7,750.03/10,695.06 = 4,213.23/x
  3. Step 3: Cross multiply
    7,750.03x = 10,695.06 × 4,213.23
  4. Step 4: Simplify right side
    7,750.03x = 45,060,747.64
  5. Step 5: Solve for x
    x = 45,060,747.64/7,750.03
  6. Step 6: Final answer
    x = 5,814.27

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