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Finding the Fourth Proportional to 52,785.58, 79,183.54 and 15,345.94

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Solution

The fourth proportional to 52,785.58, 79,183.54 and 15,345.94 is: 23,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.58 : 79,183.54 = 15,345.94 : x
  2. Step 2: Convert to fraction form
    52,785.58/79,183.54 = 15,345.94/x
  3. Step 3: Cross multiply
    52,785.58x = 79,183.54 × 15,345.94
  4. Step 4: Simplify right side
    52,785.58x = 1,215,145,853.83
  5. Step 5: Solve for x
    x = 1,215,145,853.83/52,785.58
  6. Step 6: Final answer
    x = 23,020.41

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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.