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Finding the Fourth Proportional to 16,605.90, 24,923.43 and 9,218.70

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Solution

The fourth proportional to 16,605.90, 24,923.43 and 9,218.70 is: 13,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.90 : 24,923.43 = 9,218.70 : x
  2. Step 2: Convert to fraction form
    16,605.90/24,923.43 = 9,218.70/x
  3. Step 3: Cross multiply
    16,605.90x = 24,923.43 × 9,218.70
  4. Step 4: Simplify right side
    16,605.90x = 229,761,624.14
  5. Step 5: Solve for x
    x = 229,761,624.14/16,605.90
  6. Step 6: Final answer
    x = 13,836.14

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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.