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Finding the Fourth Proportional to 5,300.98, 7,315.53 and 2,942.90

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Solution

The fourth proportional to 5,300.98, 7,315.53 and 2,942.90 is: 4,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.98 : 7,315.53 = 2,942.90 : x
  2. Step 2: Convert to fraction form
    5,300.98/7,315.53 = 2,942.90/x
  3. Step 3: Cross multiply
    5,300.98x = 7,315.53 × 2,942.90
  4. Step 4: Simplify right side
    5,300.98x = 21,528,873.24
  5. Step 5: Solve for x
    x = 21,528,873.24/5,300.98
  6. Step 6: Final answer
    x = 4,061.30

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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.