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Finding the Fourth Proportional to 41,198.04, 61,776.90 and 28,724.04

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Solution

The fourth proportional to 41,198.04, 61,776.90 and 28,724.04 is: 43,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,198.04 : 61,776.90 = 28,724.04 : x
  2. Step 2: Convert to fraction form
    41,198.04/61,776.90 = 28,724.04/x
  3. Step 3: Cross multiply
    41,198.04x = 61,776.90 × 28,724.04
  4. Step 4: Simplify right side
    41,198.04x = 1,774,482,146.68
  5. Step 5: Solve for x
    x = 1,774,482,146.68/41,198.04
  6. Step 6: Final answer
    x = 43,072.00

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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.