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Finding the Fourth Proportional to 61,641.63, 92,406.95 and 22,171

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Solution

The fourth proportional to 61,641.63, 92,406.95 and 22,171 is: 33,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,641.63 : 92,406.95 = 22,171 : x
  2. Step 2: Convert to fraction form
    61,641.63/92,406.95 = 22,171/x
  3. Step 3: Cross multiply
    61,641.63x = 92,406.95 × 22,171
  4. Step 4: Simplify right side
    61,641.63x = 2,048,754,488.45
  5. Step 5: Solve for x
    x = 2,048,754,488.45/61,641.63
  6. Step 6: Final answer
    x = 33,236.54

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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.