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Finding the Fourth Proportional to 32,690.56, 48,992.64 and 11,894.08

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Solution

The fourth proportional to 32,690.56, 48,992.64 and 11,894.08 is: 17,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.56 : 48,992.64 = 11,894.08 : x
  2. Step 2: Convert to fraction form
    32,690.56/48,992.64 = 11,894.08/x
  3. Step 3: Cross multiply
    32,690.56x = 48,992.64 × 11,894.08
  4. Step 4: Simplify right side
    32,690.56x = 582,722,379.57
  5. Step 5: Solve for x
    x = 582,722,379.57/32,690.56
  6. Step 6: Final answer
    x = 17,825.40

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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.