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Finding the Fourth Proportional to 3,573.71, 4,932.12 and 2,378.62

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Solution

The fourth proportional to 3,573.71, 4,932.12 and 2,378.62 is: 3,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.71 : 4,932.12 = 2,378.62 : x
  2. Step 2: Convert to fraction form
    3,573.71/4,932.12 = 2,378.62/x
  3. Step 3: Cross multiply
    3,573.71x = 4,932.12 × 2,378.62
  4. Step 4: Simplify right side
    3,573.71x = 11,731,639.27
  5. Step 5: Solve for x
    x = 11,731,639.27/3,573.71
  6. Step 6: Final answer
    x = 3,282.76

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1.5x scale

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.