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Finding the Fourth Proportional to 45,751, 63,139.26 and 25,609.24

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Solution

The fourth proportional to 45,751, 63,139.26 and 25,609.24 is: 35,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751 : 63,139.26 = 25,609.24 : x
  2. Step 2: Convert to fraction form
    45,751/63,139.26 = 25,609.24/x
  3. Step 3: Cross multiply
    45,751x = 63,139.26 × 25,609.24
  4. Step 4: Simplify right side
    45,751x = 1,616,948,462.76
  5. Step 5: Solve for x
    x = 1,616,948,462.76/45,751
  6. Step 6: Final answer
    x = 35,342.36

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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.