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Finding the Fourth Proportional to 77,605.92, 116,410.08 and 25,015.68

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Solution

The fourth proportional to 77,605.92, 116,410.08 and 25,015.68 is: 37,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,605.92 : 116,410.08 = 25,015.68 : x
  2. Step 2: Convert to fraction form
    77,605.92/116,410.08 = 25,015.68/x
  3. Step 3: Cross multiply
    77,605.92x = 116,410.08 × 25,015.68
  4. Step 4: Simplify right side
    77,605.92x = 2,912,077,310.05
  5. Step 5: Solve for x
    x = 2,912,077,310.05/77,605.92
  6. Step 6: Final answer
    x = 37,523.91

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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.