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Finding the Fourth Proportional to 54,670.60, 82,005.90 and 17,734.60

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Solution

The fourth proportional to 54,670.60, 82,005.90 and 17,734.60 is: 26,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.60 : 82,005.90 = 17,734.60 : x
  2. Step 2: Convert to fraction form
    54,670.60/82,005.90 = 17,734.60/x
  3. Step 3: Cross multiply
    54,670.60x = 82,005.90 × 17,734.60
  4. Step 4: Simplify right side
    54,670.60x = 1,454,341,834.14
  5. Step 5: Solve for x
    x = 1,454,341,834.14/54,670.60
  6. Step 6: Final answer
    x = 26,601.90

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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.