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Finding the Fourth Proportional to 69,342.21, 104,014.00 and 21,956.42

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Solution

The fourth proportional to 69,342.21, 104,014.00 and 21,956.42 is: 32,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,342.21 : 104,014.00 = 21,956.42 : x
  2. Step 2: Convert to fraction form
    69,342.21/104,014.00 = 21,956.42/x
  3. Step 3: Cross multiply
    69,342.21x = 104,014.00 × 21,956.42
  4. Step 4: Simplify right side
    69,342.21x = 2,283,774,849.47
  5. Step 5: Solve for x
    x = 2,283,774,849.47/69,342.21
  6. Step 6: Final answer
    x = 32,934.84

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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.