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Finding the Fourth Proportional to 3,732.65, 5,602.79 and 3,081.31

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Solution

The fourth proportional to 3,732.65, 5,602.79 and 3,081.31 is: 4,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.65 : 5,602.79 = 3,081.31 : x
  2. Step 2: Convert to fraction form
    3,732.65/5,602.79 = 3,081.31/x
  3. Step 3: Cross multiply
    3,732.65x = 5,602.79 × 3,081.31
  4. Step 4: Simplify right side
    3,732.65x = 17,263,926.55
  5. Step 5: Solve for x
    x = 17,263,926.55/3,732.65
  6. Step 6: Final answer
    x = 4,625.11

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1.5x scale

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.