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Finding the Fourth Proportional to 16,959.15, 25,428.73 and 6,960.92

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Solution

The fourth proportional to 16,959.15, 25,428.73 and 6,960.92 is: 10,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.15 : 25,428.73 = 6,960.92 : x
  2. Step 2: Convert to fraction form
    16,959.15/25,428.73 = 6,960.92/x
  3. Step 3: Cross multiply
    16,959.15x = 25,428.73 × 6,960.92
  4. Step 4: Simplify right side
    16,959.15x = 177,007,355.23
  5. Step 5: Solve for x
    x = 177,007,355.23/16,959.15
  6. Step 6: Final answer
    x = 10,437.28

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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.