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Finding the Fourth Proportional to 5,722.80, 8,574.11 and 5,012.09

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Solution

The fourth proportional to 5,722.80, 8,574.11 and 5,012.09 is: 7,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.80 : 8,574.11 = 5,012.09 : x
  2. Step 2: Convert to fraction form
    5,722.80/8,574.11 = 5,012.09/x
  3. Step 3: Cross multiply
    5,722.80x = 8,574.11 × 5,012.09
  4. Step 4: Simplify right side
    5,722.80x = 42,974,143.06
  5. Step 5: Solve for x
    x = 42,974,143.06/5,722.80
  6. Step 6: Final answer
    x = 7,509.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.