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Finding the Fourth Proportional to 61,874.92, 85,382.66 and 36,382.32

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Solution

The fourth proportional to 61,874.92, 85,382.66 and 36,382.32 is: 50,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.92 : 85,382.66 = 36,382.32 : x
  2. Step 2: Convert to fraction form
    61,874.92/85,382.66 = 36,382.32/x
  3. Step 3: Cross multiply
    61,874.92x = 85,382.66 × 36,382.32
  4. Step 4: Simplify right side
    61,874.92x = 3,106,419,258.57
  5. Step 5: Solve for x
    x = 3,106,419,258.57/61,874.92
  6. Step 6: Final answer
    x = 50,204.82

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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.