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Finding the Fourth Proportional to 16,955.68, 25,424.64 and 7,093.12

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Solution

The fourth proportional to 16,955.68, 25,424.64 and 7,093.12 is: 10,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.68 : 25,424.64 = 7,093.12 : x
  2. Step 2: Convert to fraction form
    16,955.68/25,424.64 = 7,093.12/x
  3. Step 3: Cross multiply
    16,955.68x = 25,424.64 × 7,093.12
  4. Step 4: Simplify right side
    16,955.68x = 180,340,022.48
  5. Step 5: Solve for x
    x = 180,340,022.48/16,955.68
  6. Step 6: Final answer
    x = 10,635.97

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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.