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Finding the Fourth Proportional to 25,762.53, 38,651.49 and 10,776.87

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Solution

The fourth proportional to 25,762.53, 38,651.49 and 10,776.87 is: 16,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762.53 : 38,651.49 = 10,776.87 : x
  2. Step 2: Convert to fraction form
    25,762.53/38,651.49 = 10,776.87/x
  3. Step 3: Cross multiply
    25,762.53x = 38,651.49 × 10,776.87
  4. Step 4: Simplify right side
    25,762.53x = 416,542,083.04
  5. Step 5: Solve for x
    x = 416,542,083.04/25,762.53
  6. Step 6: Final answer
    x = 16,168.52

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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.