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Finding the Fourth Proportional to 30,669.99, 46,004.99 and 25,161.53

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Solution

The fourth proportional to 30,669.99, 46,004.99 and 25,161.53 is: 37,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.99 : 46,004.99 = 25,161.53 : x
  2. Step 2: Convert to fraction form
    30,669.99/46,004.99 = 25,161.53/x
  3. Step 3: Cross multiply
    30,669.99x = 46,004.99 × 25,161.53
  4. Step 4: Simplify right side
    30,669.99x = 1,157,555,580.20
  5. Step 5: Solve for x
    x = 1,157,555,580.20/30,669.99
  6. Step 6: Final answer
    x = 37,742.29

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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.