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Finding the Fourth Proportional to 16,923.09, 25,380.51 and 7,062.45

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Solution

The fourth proportional to 16,923.09, 25,380.51 and 7,062.45 is: 10,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.09 : 25,380.51 = 7,062.45 : x
  2. Step 2: Convert to fraction form
    16,923.09/25,380.51 = 7,062.45/x
  3. Step 3: Cross multiply
    16,923.09x = 25,380.51 × 7,062.45
  4. Step 4: Simplify right side
    16,923.09x = 179,248,582.85
  5. Step 5: Solve for x
    x = 179,248,582.85/16,923.09
  6. Step 6: Final answer
    x = 10,591.95

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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.