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Finding the Fourth Proportional to 16,605.09, 24,879.95 and 11,918.07

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Solution

The fourth proportional to 16,605.09, 24,879.95 and 11,918.07 is: 17,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.09 : 24,879.95 = 11,918.07 : x
  2. Step 2: Convert to fraction form
    16,605.09/24,879.95 = 11,918.07/x
  3. Step 3: Cross multiply
    16,605.09x = 24,879.95 × 11,918.07
  4. Step 4: Simplify right side
    16,605.09x = 296,520,926.11
  5. Step 5: Solve for x
    x = 296,520,926.11/16,605.09
  6. Step 6: Final answer
    x = 17,857.23

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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.