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Finding the Fourth Proportional to 16,849.08, 25,253.11 and 11,920.14

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Solution

The fourth proportional to 16,849.08, 25,253.11 and 11,920.14 is: 17,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.08 : 25,253.11 = 11,920.14 : x
  2. Step 2: Convert to fraction form
    16,849.08/25,253.11 = 11,920.14/x
  3. Step 3: Cross multiply
    16,849.08x = 25,253.11 × 11,920.14
  4. Step 4: Simplify right side
    16,849.08x = 301,020,606.64
  5. Step 5: Solve for x
    x = 301,020,606.64/16,849.08
  6. Step 6: Final answer
    x = 17,865.70

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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.