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Finding the Fourth Proportional to 16,950.09, 25,421.09 and 5,857.17

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Solution

The fourth proportional to 16,950.09, 25,421.09 and 5,857.17 is: 8,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,950.09 : 25,421.09 = 5,857.17 : x
  2. Step 2: Convert to fraction form
    16,950.09/25,421.09 = 5,857.17/x
  3. Step 3: Cross multiply
    16,950.09x = 25,421.09 × 5,857.17
  4. Step 4: Simplify right side
    16,950.09x = 148,895,616.43
  5. Step 5: Solve for x
    x = 148,895,616.43/16,950.09
  6. Step 6: Final answer
    x = 8,784.36

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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.