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Finding the Fourth Proportional to 15,997.59, 23,996.75 and 12,713.00

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Solution

The fourth proportional to 15,997.59, 23,996.75 and 12,713.00 is: 19,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.59 : 23,996.75 = 12,713.00 : x
  2. Step 2: Convert to fraction form
    15,997.59/23,996.75 = 12,713.00/x
  3. Step 3: Cross multiply
    15,997.59x = 23,996.75 × 12,713.00
  4. Step 4: Simplify right side
    15,997.59x = 305,070,499.20
  5. Step 5: Solve for x
    x = 305,070,499.20/15,997.59
  6. Step 6: Final answer
    x = 19,069.78

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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.