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Finding the Fourth Proportional to 19,892.58, 29,832.56 and 6,741.87

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Solution

The fourth proportional to 19,892.58, 29,832.56 and 6,741.87 is: 10,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.58 : 29,832.56 = 6,741.87 : x
  2. Step 2: Convert to fraction form
    19,892.58/29,832.56 = 6,741.87/x
  3. Step 3: Cross multiply
    19,892.58x = 29,832.56 × 6,741.87
  4. Step 4: Simplify right side
    19,892.58x = 201,127,207.58
  5. Step 5: Solve for x
    x = 201,127,207.58/19,892.58
  6. Step 6: Final answer
    x = 10,110.66

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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.