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Finding the Fourth Proportional to 19,659.75, 29,494.62 and 5,808.75

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Solution

The fourth proportional to 19,659.75, 29,494.62 and 5,808.75 is: 8,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.75 : 29,494.62 = 5,808.75 : x
  2. Step 2: Convert to fraction form
    19,659.75/29,494.62 = 5,808.75/x
  3. Step 3: Cross multiply
    19,659.75x = 29,494.62 × 5,808.75
  4. Step 4: Simplify right side
    19,659.75x = 171,326,873.93
  5. Step 5: Solve for x
    x = 171,326,873.93/19,659.75
  6. Step 6: Final answer
    x = 8,714.60

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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.