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Finding the Fourth Proportional to 60,896.96, 91,357.44 and 21,458.24

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Solution

The fourth proportional to 60,896.96, 91,357.44 and 21,458.24 is: 32,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,896.96 : 91,357.44 = 21,458.24 : x
  2. Step 2: Convert to fraction form
    60,896.96/91,357.44 = 21,458.24/x
  3. Step 3: Cross multiply
    60,896.96x = 91,357.44 × 21,458.24
  4. Step 4: Simplify right side
    60,896.96x = 1,960,369,873.31
  5. Step 5: Solve for x
    x = 1,960,369,873.31/60,896.96
  6. Step 6: Final answer
    x = 32,191.59

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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.