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Finding the Fourth Proportional to 61,489.68, 92,156.81 and 32,955.71

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Solution

The fourth proportional to 61,489.68, 92,156.81 and 32,955.71 is: 49,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,489.68 : 92,156.81 = 32,955.71 : x
  2. Step 2: Convert to fraction form
    61,489.68/92,156.81 = 32,955.71/x
  3. Step 3: Cross multiply
    61,489.68x = 92,156.81 × 32,955.71
  4. Step 4: Simplify right side
    61,489.68x = 3,037,093,170.50
  5. Step 5: Solve for x
    x = 3,037,093,170.50/61,489.68
  6. Step 6: Final answer
    x = 49,391.92

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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.