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Finding the Fourth Proportional to 25,891.47, 38,837.25 and 11,099.25

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Solution

The fourth proportional to 25,891.47, 38,837.25 and 11,099.25 is: 16,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.47 : 38,837.25 = 11,099.25 : x
  2. Step 2: Convert to fraction form
    25,891.47/38,837.25 = 11,099.25/x
  3. Step 3: Cross multiply
    25,891.47x = 38,837.25 × 11,099.25
  4. Step 4: Simplify right side
    25,891.47x = 431,064,347.06
  5. Step 5: Solve for x
    x = 431,064,347.06/25,891.47
  6. Step 6: Final answer
    x = 16,648.89

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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.