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Finding the Fourth Proportional to 11,745.52, 17,613.08 and 8,444.81

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Solution

The fourth proportional to 11,745.52, 17,613.08 and 8,444.81 is: 12,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.52 : 17,613.08 = 8,444.81 : x
  2. Step 2: Convert to fraction form
    11,745.52/17,613.08 = 8,444.81/x
  3. Step 3: Cross multiply
    11,745.52x = 17,613.08 × 8,444.81
  4. Step 4: Simplify right side
    11,745.52x = 148,739,147.59
  5. Step 5: Solve for x
    x = 148,739,147.59/11,745.52
  6. Step 6: Final answer
    x = 12,663.48

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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.