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Finding the Fourth Proportional to 61,660.60, 92,435.28 and 22,189.84

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Solution

The fourth proportional to 61,660.60, 92,435.28 and 22,189.84 is: 33,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.60 : 92,435.28 = 22,189.84 : x
  2. Step 2: Convert to fraction form
    61,660.60/92,435.28 = 22,189.84/x
  3. Step 3: Cross multiply
    61,660.60x = 92,435.28 × 22,189.84
  4. Step 4: Simplify right side
    61,660.60x = 2,051,124,073.56
  5. Step 5: Solve for x
    x = 2,051,124,073.56/61,660.60
  6. Step 6: Final answer
    x = 33,264.74

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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.