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Finding the Fourth Proportional to 3,732, 5,148.72 and 2,473.68

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Solution

The fourth proportional to 3,732, 5,148.72 and 2,473.68 is: 3,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732 : 5,148.72 = 2,473.68 : x
  2. Step 2: Convert to fraction form
    3,732/5,148.72 = 2,473.68/x
  3. Step 3: Cross multiply
    3,732x = 5,148.72 × 2,473.68
  4. Step 4: Simplify right side
    3,732x = 12,736,285.69
  5. Step 5: Solve for x
    x = 12,736,285.69/3,732
  6. Step 6: Final answer
    x = 3,412.72

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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.