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Finding the Fourth Proportional to 61,483.20, 92,227.08 and 21,494.36

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Solution

The fourth proportional to 61,483.20, 92,227.08 and 21,494.36 is: 32,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,483.20 : 92,227.08 = 21,494.36 : x
  2. Step 2: Convert to fraction form
    61,483.20/92,227.08 = 21,494.36/x
  3. Step 3: Cross multiply
    61,483.20x = 92,227.08 × 21,494.36
  4. Step 4: Simplify right side
    61,483.20x = 1,982,362,059.27
  5. Step 5: Solve for x
    x = 1,982,362,059.27/61,483.20
  6. Step 6: Final answer
    x = 32,242.34

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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.