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Finding the Fourth Proportional to 9,992.73, 14,987.84 and 2,596.58

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Solution

The fourth proportional to 9,992.73, 14,987.84 and 2,596.58 is: 3,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.73 : 14,987.84 = 2,596.58 : x
  2. Step 2: Convert to fraction form
    9,992.73/14,987.84 = 2,596.58/x
  3. Step 3: Cross multiply
    9,992.73x = 14,987.84 × 2,596.58
  4. Step 4: Simplify right side
    9,992.73x = 38,917,057.14
  5. Step 5: Solve for x
    x = 38,917,057.14/9,992.73
  6. Step 6: Final answer
    x = 3,894.54

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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.