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Finding the Fourth Proportional to 57,576, 79,455.12 and 32,425.92

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Solution

The fourth proportional to 57,576, 79,455.12 and 32,425.92 is: 44,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576 : 79,455.12 = 32,425.92 : x
  2. Step 2: Convert to fraction form
    57,576/79,455.12 = 32,425.92/x
  3. Step 3: Cross multiply
    57,576x = 79,455.12 × 32,425.92
  4. Step 4: Simplify right side
    57,576x = 2,576,405,364.71
  5. Step 5: Solve for x
    x = 2,576,405,364.71/57,576
  6. Step 6: Final answer
    x = 44,747.90

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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.