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Finding the Fourth Proportional to 26,499.54, 39,749.33 and 9,857.42

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Solution

The fourth proportional to 26,499.54, 39,749.33 and 9,857.42 is: 14,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.54 : 39,749.33 = 9,857.42 : x
  2. Step 2: Convert to fraction form
    26,499.54/39,749.33 = 9,857.42/x
  3. Step 3: Cross multiply
    26,499.54x = 39,749.33 × 9,857.42
  4. Step 4: Simplify right side
    26,499.54x = 391,825,641.78
  5. Step 5: Solve for x
    x = 391,825,641.78/26,499.54
  6. Step 6: Final answer
    x = 14,786.13

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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.