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Finding the Fourth Proportional to 34,810.80, 52,129.80 and 27,898.80

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Solution

The fourth proportional to 34,810.80, 52,129.80 and 27,898.80 is: 41,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.80 : 52,129.80 = 27,898.80 : x
  2. Step 2: Convert to fraction form
    34,810.80/52,129.80 = 27,898.80/x
  3. Step 3: Cross multiply
    34,810.80x = 52,129.80 × 27,898.80
  4. Step 4: Simplify right side
    34,810.80x = 1,454,358,864.24
  5. Step 5: Solve for x
    x = 1,454,358,864.24/34,810.80
  6. Step 6: Final answer
    x = 41,778.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.