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Finding the Fourth Proportional to 14,992.76, 22,489.50 and 5,131.97

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Solution

The fourth proportional to 14,992.76, 22,489.50 and 5,131.97 is: 7,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.76 : 22,489.50 = 5,131.97 : x
  2. Step 2: Convert to fraction form
    14,992.76/22,489.50 = 5,131.97/x
  3. Step 3: Cross multiply
    14,992.76x = 22,489.50 × 5,131.97
  4. Step 4: Simplify right side
    14,992.76x = 115,415,439.32
  5. Step 5: Solve for x
    x = 115,415,439.32/14,992.76
  6. Step 6: Final answer
    x = 7,698.08

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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.