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Finding the Fourth Proportional to 25,236.99, 37,855.49 and 10,429.65

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Solution

The fourth proportional to 25,236.99, 37,855.49 and 10,429.65 is: 15,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236.99 : 37,855.49 = 10,429.65 : x
  2. Step 2: Convert to fraction form
    25,236.99/37,855.49 = 10,429.65/x
  3. Step 3: Cross multiply
    25,236.99x = 37,855.49 × 10,429.65
  4. Step 4: Simplify right side
    25,236.99x = 394,819,459.13
  5. Step 5: Solve for x
    x = 394,819,459.13/25,236.99
  6. Step 6: Final answer
    x = 15,644.48

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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.