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Finding the Fourth Proportional to 17,235.70, 23,800.05 and 16,678.42

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Solution

The fourth proportional to 17,235.70, 23,800.05 and 16,678.42 is: 23,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.70 : 23,800.05 = 16,678.42 : x
  2. Step 2: Convert to fraction form
    17,235.70/23,800.05 = 16,678.42/x
  3. Step 3: Cross multiply
    17,235.70x = 23,800.05 × 16,678.42
  4. Step 4: Simplify right side
    17,235.70x = 396,947,229.92
  5. Step 5: Solve for x
    x = 396,947,229.92/17,235.70
  6. Step 6: Final answer
    x = 23,030.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.