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Finding the Fourth Proportional to 16,703.40, 25,033.21 and 6,831.12

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Solution

The fourth proportional to 16,703.40, 25,033.21 and 6,831.12 is: 10,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703.40 : 25,033.21 = 6,831.12 : x
  2. Step 2: Convert to fraction form
    16,703.40/25,033.21 = 6,831.12/x
  3. Step 3: Cross multiply
    16,703.40x = 25,033.21 × 6,831.12
  4. Step 4: Simplify right side
    16,703.40x = 171,004,861.50
  5. Step 5: Solve for x
    x = 171,004,861.50/16,703.40
  6. Step 6: Final answer
    x = 10,237.73

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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.