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Finding the Fourth Proportional to 16,895.25, 25,325.87 and 7,039.98

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Solution

The fourth proportional to 16,895.25, 25,325.87 and 7,039.98 is: 10,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.25 : 25,325.87 = 7,039.98 : x
  2. Step 2: Convert to fraction form
    16,895.25/25,325.87 = 7,039.98/x
  3. Step 3: Cross multiply
    16,895.25x = 25,325.87 × 7,039.98
  4. Step 4: Simplify right side
    16,895.25x = 178,293,583.08
  5. Step 5: Solve for x
    x = 178,293,583.08/16,895.25
  6. Step 6: Final answer
    x = 10,552.88

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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.