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Finding the Fourth Proportional to 7,548.12, 10,488.69 and 7,467.12

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Solution

The fourth proportional to 7,548.12, 10,488.69 and 7,467.12 is: 10,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.12 : 10,488.69 = 7,467.12 : x
  2. Step 2: Convert to fraction form
    7,548.12/10,488.69 = 7,467.12/x
  3. Step 3: Cross multiply
    7,548.12x = 10,488.69 × 7,467.12
  4. Step 4: Simplify right side
    7,548.12x = 78,320,306.87
  5. Step 5: Solve for x
    x = 78,320,306.87/7,548.12
  6. Step 6: Final answer
    x = 10,376.13

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.