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Finding the Fourth Proportional to 5,300.34, 7,314.69 and 2,942.49

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Solution

The fourth proportional to 5,300.34, 7,314.69 and 2,942.49 is: 4,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.34 : 7,314.69 = 2,942.49 : x
  2. Step 2: Convert to fraction form
    5,300.34/7,314.69 = 2,942.49/x
  3. Step 3: Cross multiply
    5,300.34x = 7,314.69 × 2,942.49
  4. Step 4: Simplify right side
    5,300.34x = 21,523,402.18
  5. Step 5: Solve for x
    x = 21,523,402.18/5,300.34
  6. Step 6: Final answer
    x = 4,060.76

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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.