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Finding the Fourth Proportional to 17,658.50, 24,371.97 and 10,206.50

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Solution

The fourth proportional to 17,658.50, 24,371.97 and 10,206.50 is: 14,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.50 : 24,371.97 = 10,206.50 : x
  2. Step 2: Convert to fraction form
    17,658.50/24,371.97 = 10,206.50/x
  3. Step 3: Cross multiply
    17,658.50x = 24,371.97 × 10,206.50
  4. Step 4: Simplify right side
    17,658.50x = 248,752,511.81
  5. Step 5: Solve for x
    x = 248,752,511.81/17,658.50
  6. Step 6: Final answer
    x = 14,086.84

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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.