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Finding the Fourth Proportional to 11,732.68, 17,613.06 and 9,879.40

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Solution

The fourth proportional to 11,732.68, 17,613.06 and 9,879.40 is: 14,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.68 : 17,613.06 = 9,879.40 : x
  2. Step 2: Convert to fraction form
    11,732.68/17,613.06 = 9,879.40/x
  3. Step 3: Cross multiply
    11,732.68x = 17,613.06 × 9,879.40
  4. Step 4: Simplify right side
    11,732.68x = 174,006,464.96
  5. Step 5: Solve for x
    x = 174,006,464.96/11,732.68
  6. Step 6: Final answer
    x = 14,830.92

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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.