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Finding the Fourth Proportional to 25,296.84, 37,944.73 and 8,431.07

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Solution

The fourth proportional to 25,296.84, 37,944.73 and 8,431.07 is: 12,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.84 : 37,944.73 = 8,431.07 : x
  2. Step 2: Convert to fraction form
    25,296.84/37,944.73 = 8,431.07/x
  3. Step 3: Cross multiply
    25,296.84x = 37,944.73 × 8,431.07
  4. Step 4: Simplify right side
    25,296.84x = 319,914,442.88
  5. Step 5: Solve for x
    x = 319,914,442.88/25,296.84
  6. Step 6: Final answer
    x = 12,646.42

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Similar ratio
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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.