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Finding the Fourth Proportional to 7,559.04, 11,339.16 and 3,177

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Solution

The fourth proportional to 7,559.04, 11,339.16 and 3,177 is: 4,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.04 : 11,339.16 = 3,177 : x
  2. Step 2: Convert to fraction form
    7,559.04/11,339.16 = 3,177/x
  3. Step 3: Cross multiply
    7,559.04x = 11,339.16 × 3,177
  4. Step 4: Simplify right side
    7,559.04x = 36,024,511.32
  5. Step 5: Solve for x
    x = 36,024,511.32/7,559.04
  6. Step 6: Final answer
    x = 4,765.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.