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Finding the Fourth Proportional to 34,965.69, 48,256.13 and 21,352.98

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Solution

The fourth proportional to 34,965.69, 48,256.13 and 21,352.98 is: 29,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,965.69 : 48,256.13 = 21,352.98 : x
  2. Step 2: Convert to fraction form
    34,965.69/48,256.13 = 21,352.98/x
  3. Step 3: Cross multiply
    34,965.69x = 48,256.13 × 21,352.98
  4. Step 4: Simplify right side
    34,965.69x = 1,030,412,178.77
  5. Step 5: Solve for x
    x = 1,030,412,178.77/34,965.69
  6. Step 6: Final answer
    x = 29,469.24

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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.