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Finding the Fourth Proportional to 25,361.90, 38,051.85 and 25,361.90

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Solution

The fourth proportional to 25,361.90, 38,051.85 and 25,361.90 is: 38,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.90 : 38,051.85 = 25,361.90 : x
  2. Step 2: Convert to fraction form
    25,361.90/38,051.85 = 25,361.90/x
  3. Step 3: Cross multiply
    25,361.90x = 38,051.85 × 25,361.90
  4. Step 4: Simplify right side
    25,361.90x = 965,067,214.52
  5. Step 5: Solve for x
    x = 965,067,214.52/25,361.90
  6. Step 6: Final answer
    x = 38,051.85

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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.