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Finding the Fourth Proportional to 4,692, 7,040.52 and 2,383.68

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Solution

The fourth proportional to 4,692, 7,040.52 and 2,383.68 is: 3,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692 : 7,040.52 = 2,383.68 : x
  2. Step 2: Convert to fraction form
    4,692/7,040.52 = 2,383.68/x
  3. Step 3: Cross multiply
    4,692x = 7,040.52 × 2,383.68
  4. Step 4: Simplify right side
    4,692x = 16,782,346.71
  5. Step 5: Solve for x
    x = 16,782,346.71/4,692
  6. Step 6: Final answer
    x = 3,576.80

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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.