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Finding the Fourth Proportional to 25,926.99, 38,911.25 and 11,893.63

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Solution

The fourth proportional to 25,926.99, 38,911.25 and 11,893.63 is: 17,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.99 : 38,911.25 = 11,893.63 : x
  2. Step 2: Convert to fraction form
    25,926.99/38,911.25 = 11,893.63/x
  3. Step 3: Cross multiply
    25,926.99x = 38,911.25 × 11,893.63
  4. Step 4: Simplify right side
    25,926.99x = 462,796,010.34
  5. Step 5: Solve for x
    x = 462,796,010.34/25,926.99
  6. Step 6: Final answer
    x = 17,849.97

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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.