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Finding the Fourth Proportional to 52,960.76, 73,087.06 and 29,089

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Solution

The fourth proportional to 52,960.76, 73,087.06 and 29,089 is: 40,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,960.76 : 73,087.06 = 29,089 : x
  2. Step 2: Convert to fraction form
    52,960.76/73,087.06 = 29,089/x
  3. Step 3: Cross multiply
    52,960.76x = 73,087.06 × 29,089
  4. Step 4: Simplify right side
    52,960.76x = 2,126,029,488.34
  5. Step 5: Solve for x
    x = 2,126,029,488.34/52,960.76
  6. Step 6: Final answer
    x = 40,143.49

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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.