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Finding the Fourth Proportional to 7,454.92, 11,184.82 and 3,558.82

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Solution

The fourth proportional to 7,454.92, 11,184.82 and 3,558.82 is: 5,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.92 : 11,184.82 = 3,558.82 : x
  2. Step 2: Convert to fraction form
    7,454.92/11,184.82 = 3,558.82/x
  3. Step 3: Cross multiply
    7,454.92x = 11,184.82 × 3,558.82
  4. Step 4: Simplify right side
    7,454.92x = 39,804,761.11
  5. Step 5: Solve for x
    x = 39,804,761.11/7,454.92
  6. Step 6: Final answer
    x = 5,339.39

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1.5x scale

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.