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Finding the Fourth Proportional to 7,585.80, 11,379.11 and 2,656.14

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Solution

The fourth proportional to 7,585.80, 11,379.11 and 2,656.14 is: 3,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.80 : 11,379.11 = 2,656.14 : x
  2. Step 2: Convert to fraction form
    7,585.80/11,379.11 = 2,656.14/x
  3. Step 3: Cross multiply
    7,585.80x = 11,379.11 × 2,656.14
  4. Step 4: Simplify right side
    7,585.80x = 30,224,495.95
  5. Step 5: Solve for x
    x = 30,224,495.95/7,585.80
  6. Step 6: Final answer
    x = 3,984.35

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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.