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Finding the Fourth Proportional to 61,409.95, 92,114.94 and 21,964.70

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Solution

The fourth proportional to 61,409.95, 92,114.94 and 21,964.70 is: 32,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,409.95 : 92,114.94 = 21,964.70 : x
  2. Step 2: Convert to fraction form
    61,409.95/92,114.94 = 21,964.70/x
  3. Step 3: Cross multiply
    61,409.95x = 92,114.94 × 21,964.70
  4. Step 4: Simplify right side
    61,409.95x = 2,023,277,022.62
  5. Step 5: Solve for x
    x = 2,023,277,022.62/61,409.95
  6. Step 6: Final answer
    x = 32,947.06

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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.