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Finding the Fourth Proportional to 25,010, 34,514.44 and 15,074.64

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Solution

The fourth proportional to 25,010, 34,514.44 and 15,074.64 is: 20,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010 : 34,514.44 = 15,074.64 : x
  2. Step 2: Convert to fraction form
    25,010/34,514.44 = 15,074.64/x
  3. Step 3: Cross multiply
    25,010x = 34,514.44 × 15,074.64
  4. Step 4: Simplify right side
    25,010x = 520,292,757.80
  5. Step 5: Solve for x
    x = 520,292,757.80/25,010
  6. Step 6: Final answer
    x = 20,803.39

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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.