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Finding the Fourth Proportional to 54,693.87, 82,051.80 and 17,259.72

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Solution

The fourth proportional to 54,693.87, 82,051.80 and 17,259.72 is: 25,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.87 : 82,051.80 = 17,259.72 : x
  2. Step 2: Convert to fraction form
    54,693.87/82,051.80 = 17,259.72/x
  3. Step 3: Cross multiply
    54,693.87x = 82,051.80 × 17,259.72
  4. Step 4: Simplify right side
    54,693.87x = 1,416,191,093.50
  5. Step 5: Solve for x
    x = 1,416,191,093.50/54,693.87
  6. Step 6: Final answer
    x = 25,893.05

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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.