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Finding the Fourth Proportional to 61,863.84, 85,369.82 and 33,568.92

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Solution

The fourth proportional to 61,863.84, 85,369.82 and 33,568.92 is: 46,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.84 : 85,369.82 = 33,568.92 : x
  2. Step 2: Convert to fraction form
    61,863.84/85,369.82 = 33,568.92/x
  3. Step 3: Cross multiply
    61,863.84x = 85,369.82 × 33,568.92
  4. Step 4: Simplify right side
    61,863.84x = 2,865,772,490.15
  5. Step 5: Solve for x
    x = 2,865,772,490.15/61,863.84
  6. Step 6: Final answer
    x = 46,323.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.