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Finding the Fourth Proportional to 16,683.52, 25,035.54 and 6,822.85

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Solution

The fourth proportional to 16,683.52, 25,035.54 and 6,822.85 is: 10,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.52 : 25,035.54 = 6,822.85 : x
  2. Step 2: Convert to fraction form
    16,683.52/25,035.54 = 6,822.85/x
  3. Step 3: Cross multiply
    16,683.52x = 25,035.54 × 6,822.85
  4. Step 4: Simplify right side
    16,683.52x = 170,813,734.09
  5. Step 5: Solve for x
    x = 170,813,734.09/16,683.52
  6. Step 6: Final answer
    x = 10,238.47

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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.