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Finding the Fourth Proportional to 25,403.50, 35,057.91 and 14,791.42

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Solution

The fourth proportional to 25,403.50, 35,057.91 and 14,791.42 is: 20,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.50 : 35,057.91 = 14,791.42 : x
  2. Step 2: Convert to fraction form
    25,403.50/35,057.91 = 14,791.42/x
  3. Step 3: Cross multiply
    25,403.50x = 35,057.91 × 14,791.42
  4. Step 4: Simplify right side
    25,403.50x = 518,556,271.13
  5. Step 5: Solve for x
    x = 518,556,271.13/25,403.50
  6. Step 6: Final answer
    x = 20,412.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.