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Finding the Fourth Proportional to 52,961.76, 73,087.83 and 29,088.99

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Solution

The fourth proportional to 52,961.76, 73,087.83 and 29,088.99 is: 40,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.76 : 73,087.83 = 29,088.99 : x
  2. Step 2: Convert to fraction form
    52,961.76/73,087.83 = 29,088.99/x
  3. Step 3: Cross multiply
    52,961.76x = 73,087.83 × 29,088.99
  4. Step 4: Simplify right side
    52,961.76x = 2,126,051,155.99
  5. Step 5: Solve for x
    x = 2,126,051,155.99/52,961.76
  6. Step 6: Final answer
    x = 40,143.14

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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.