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Finding the Fourth Proportional to 16,813.94, 25,249.03 and 10,503.50

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Solution

The fourth proportional to 16,813.94, 25,249.03 and 10,503.50 is: 15,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.94 : 25,249.03 = 10,503.50 : x
  2. Step 2: Convert to fraction form
    16,813.94/25,249.03 = 10,503.50/x
  3. Step 3: Cross multiply
    16,813.94x = 25,249.03 × 10,503.50
  4. Step 4: Simplify right side
    16,813.94x = 265,203,034.10
  5. Step 5: Solve for x
    x = 265,203,034.10/16,813.94
  6. Step 6: Final answer
    x = 15,772.81

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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.