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Finding the Fourth Proportional to 74,632.32, 102,817.42 and 51,932.27

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Solution

The fourth proportional to 74,632.32, 102,817.42 and 51,932.27 is: 71,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,632.32 : 102,817.42 = 51,932.27 : x
  2. Step 2: Convert to fraction form
    74,632.32/102,817.42 = 51,932.27/x
  3. Step 3: Cross multiply
    74,632.32x = 102,817.42 × 51,932.27
  4. Step 4: Simplify right side
    74,632.32x = 5,339,542,143.36
  5. Step 5: Solve for x
    x = 5,339,542,143.36/74,632.32
  6. Step 6: Final answer
    x = 71,544.64

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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.