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Finding the Fourth Proportional to 7,667.94, 10,575.20 and 5,281.72

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Solution

The fourth proportional to 7,667.94, 10,575.20 and 5,281.72 is: 7,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.94 : 10,575.20 = 5,281.72 : x
  2. Step 2: Convert to fraction form
    7,667.94/10,575.20 = 5,281.72/x
  3. Step 3: Cross multiply
    7,667.94x = 10,575.20 × 5,281.72
  4. Step 4: Simplify right side
    7,667.94x = 55,855,226.56
  5. Step 5: Solve for x
    x = 55,855,226.56/7,667.94
  6. Step 6: Final answer
    x = 7,284.25

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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.