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Finding the Fourth Proportional to 25,751.27, 35,537.11 and 14,421.20

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Solution

The fourth proportional to 25,751.27, 35,537.11 and 14,421.20 is: 19,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.27 : 35,537.11 = 14,421.20 : x
  2. Step 2: Convert to fraction form
    25,751.27/35,537.11 = 14,421.20/x
  3. Step 3: Cross multiply
    25,751.27x = 35,537.11 × 14,421.20
  4. Step 4: Simplify right side
    25,751.27x = 512,487,556.99
  5. Step 5: Solve for x
    x = 512,487,556.99/25,751.27
  6. Step 6: Final answer
    x = 19,901.45

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Why These Related Problems?

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