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Finding the Fourth Proportional to 7,266.65, 10,028.19 and 5,145.98

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Solution

The fourth proportional to 7,266.65, 10,028.19 and 5,145.98 is: 7,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.65 : 10,028.19 = 5,145.98 : x
  2. Step 2: Convert to fraction form
    7,266.65/10,028.19 = 5,145.98/x
  3. Step 3: Cross multiply
    7,266.65x = 10,028.19 × 5,145.98
  4. Step 4: Simplify right side
    7,266.65x = 51,604,815.04
  5. Step 5: Solve for x
    x = 51,604,815.04/7,266.65
  6. Step 6: Final answer
    x = 7,101.60

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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.