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Finding the Fourth Proportional to 7,481.52, 11,214.95 and 6,373.44

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Solution

The fourth proportional to 7,481.52, 11,214.95 and 6,373.44 is: 9,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.52 : 11,214.95 = 6,373.44 : x
  2. Step 2: Convert to fraction form
    7,481.52/11,214.95 = 6,373.44/x
  3. Step 3: Cross multiply
    7,481.52x = 11,214.95 × 6,373.44
  4. Step 4: Simplify right side
    7,481.52x = 71,477,779.06
  5. Step 5: Solve for x
    x = 71,477,779.06/7,481.52
  6. Step 6: Final answer
    x = 9,553.91

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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.