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Finding the Fourth Proportional to 61,614.46, 92,422.42 and 21,634.45

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Solution

The fourth proportional to 61,614.46, 92,422.42 and 21,634.45 is: 32,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,614.46 : 92,422.42 = 21,634.45 : x
  2. Step 2: Convert to fraction form
    61,614.46/92,422.42 = 21,634.45/x
  3. Step 3: Cross multiply
    61,614.46x = 92,422.42 × 21,634.45
  4. Step 4: Simplify right side
    61,614.46x = 1,999,507,762.26
  5. Step 5: Solve for x
    x = 1,999,507,762.26/61,614.46
  6. Step 6: Final answer
    x = 32,451.92

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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.