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Finding the Fourth Proportional to 55,134.70, 82,712.85 and 23,544.70

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Solution

The fourth proportional to 55,134.70, 82,712.85 and 23,544.70 is: 35,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.70 : 82,712.85 = 23,544.70 : x
  2. Step 2: Convert to fraction form
    55,134.70/82,712.85 = 23,544.70/x
  3. Step 3: Cross multiply
    55,134.70x = 82,712.85 × 23,544.70
  4. Step 4: Simplify right side
    55,134.70x = 1,947,449,239.40
  5. Step 5: Solve for x
    x = 1,947,449,239.40/55,134.70
  6. Step 6: Final answer
    x = 35,321.66

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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.