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Finding the Fourth Proportional to 77,558.92, 116,338.80 and 27,640.96

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Solution

The fourth proportional to 77,558.92, 116,338.80 and 27,640.96 is: 41,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558.92 : 116,338.80 = 27,640.96 : x
  2. Step 2: Convert to fraction form
    77,558.92/116,338.80 = 27,640.96/x
  3. Step 3: Cross multiply
    77,558.92x = 116,338.80 × 27,640.96
  4. Step 4: Simplify right side
    77,558.92x = 3,215,716,117.25
  5. Step 5: Solve for x
    x = 3,215,716,117.25/77,558.92
  6. Step 6: Final answer
    x = 41,461.59

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1.5x scale

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.