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Finding the Fourth Proportional to 52,958.72, 73,083.02 and 29,085.40

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Solution

The fourth proportional to 52,958.72, 73,083.02 and 29,085.40 is: 40,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.72 : 73,083.02 = 29,085.40 : x
  2. Step 2: Convert to fraction form
    52,958.72/73,083.02 = 29,085.40/x
  3. Step 3: Cross multiply
    52,958.72x = 73,083.02 × 29,085.40
  4. Step 4: Simplify right side
    52,958.72x = 2,125,648,869.91
  5. Step 5: Solve for x
    x = 2,125,648,869.91/52,958.72
  6. Step 6: Final answer
    x = 40,137.84

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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.