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Finding the Fourth Proportional to 77,472.75, 116,258.27 and 33,099.84

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Solution

The fourth proportional to 77,472.75, 116,258.27 and 33,099.84 is: 49,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,472.75 : 116,258.27 = 33,099.84 : x
  2. Step 2: Convert to fraction form
    77,472.75/116,258.27 = 33,099.84/x
  3. Step 3: Cross multiply
    77,472.75x = 116,258.27 × 33,099.84
  4. Step 4: Simplify right side
    77,472.75x = 3,848,130,135.68
  5. Step 5: Solve for x
    x = 3,848,130,135.68/77,472.75
  6. Step 6: Final answer
    x = 49,670.76

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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.