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Finding the Fourth Proportional to 82,935.50, 114,451.02 and 47,125.56

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Solution

The fourth proportional to 82,935.50, 114,451.02 and 47,125.56 is: 65,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,935.50 : 114,451.02 = 47,125.56 : x
  2. Step 2: Convert to fraction form
    82,935.50/114,451.02 = 47,125.56/x
  3. Step 3: Cross multiply
    82,935.50x = 114,451.02 × 47,125.56
  4. Step 4: Simplify right side
    82,935.50x = 5,393,568,410.07
  5. Step 5: Solve for x
    x = 5,393,568,410.07/82,935.50
  6. Step 6: Final answer
    x = 65,033.29

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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.