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Finding the Fourth Proportional to 25,155.88, 37,739.91 and 9,361.51

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Solution

The fourth proportional to 25,155.88, 37,739.91 and 9,361.51 is: 14,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.88 : 37,739.91 = 9,361.51 : x
  2. Step 2: Convert to fraction form
    25,155.88/37,739.91 = 9,361.51/x
  3. Step 3: Cross multiply
    25,155.88x = 37,739.91 × 9,361.51
  4. Step 4: Simplify right side
    25,155.88x = 353,302,544.86
  5. Step 5: Solve for x
    x = 353,302,544.86/25,155.88
  6. Step 6: Final answer
    x = 14,044.53

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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.