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Finding the Fourth Proportional to 25,996.77, 38,996.78 and 10,412.37

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Solution

The fourth proportional to 25,996.77, 38,996.78 and 10,412.37 is: 15,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.77 : 38,996.78 = 10,412.37 : x
  2. Step 2: Convert to fraction form
    25,996.77/38,996.78 = 10,412.37/x
  3. Step 3: Cross multiply
    25,996.77x = 38,996.78 × 10,412.37
  4. Step 4: Simplify right side
    25,996.77x = 406,048,850.11
  5. Step 5: Solve for x
    x = 406,048,850.11/25,996.77
  6. Step 6: Final answer
    x = 15,619.20

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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.