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Finding the Fourth Proportional to 53,137.70, 73,329.90 and 29,264.42

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Solution

The fourth proportional to 53,137.70, 73,329.90 and 29,264.42 is: 40,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.70 : 73,329.90 = 29,264.42 : x
  2. Step 2: Convert to fraction form
    53,137.70/73,329.90 = 29,264.42/x
  3. Step 3: Cross multiply
    53,137.70x = 73,329.90 × 29,264.42
  4. Step 4: Simplify right side
    53,137.70x = 2,145,956,992.16
  5. Step 5: Solve for x
    x = 2,145,956,992.16/53,137.70
  6. Step 6: Final answer
    x = 40,384.83

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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.