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Finding the Fourth Proportional to 25,477.70, 38,207.46 and 10,480.44

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Solution

The fourth proportional to 25,477.70, 38,207.46 and 10,480.44 is: 15,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.70 : 38,207.46 = 10,480.44 : x
  2. Step 2: Convert to fraction form
    25,477.70/38,207.46 = 10,480.44/x
  3. Step 3: Cross multiply
    25,477.70x = 38,207.46 × 10,480.44
  4. Step 4: Simplify right side
    25,477.70x = 400,430,844.16
  5. Step 5: Solve for x
    x = 400,430,844.16/25,477.70
  6. Step 6: Final answer
    x = 15,716.91

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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.