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Finding the Fourth Proportional to 9,675.10, 14,512.65 and 7,731.10

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Solution

The fourth proportional to 9,675.10, 14,512.65 and 7,731.10 is: 11,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.10 : 14,512.65 = 7,731.10 : x
  2. Step 2: Convert to fraction form
    9,675.10/14,512.65 = 7,731.10/x
  3. Step 3: Cross multiply
    9,675.10x = 14,512.65 × 7,731.10
  4. Step 4: Simplify right side
    9,675.10x = 112,198,748.42
  5. Step 5: Solve for x
    x = 112,198,748.42/9,675.10
  6. Step 6: Final answer
    x = 11,596.65

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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.