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Finding the Fourth Proportional to 16,713.64, 25,072.64 and 5,615.56

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Solution

The fourth proportional to 16,713.64, 25,072.64 and 5,615.56 is: 8,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.64 : 25,072.64 = 5,615.56 : x
  2. Step 2: Convert to fraction form
    16,713.64/25,072.64 = 5,615.56/x
  3. Step 3: Cross multiply
    16,713.64x = 25,072.64 × 5,615.56
  4. Step 4: Simplify right side
    16,713.64x = 140,796,914.28
  5. Step 5: Solve for x
    x = 140,796,914.28/16,713.64
  6. Step 6: Final answer
    x = 8,424.07

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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.