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Finding the Fourth Proportional to 2,453.80, 3,680.70 and 2,367.40

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Solution

The fourth proportional to 2,453.80, 3,680.70 and 2,367.40 is: 3,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.80 : 3,680.70 = 2,367.40 : x
  2. Step 2: Convert to fraction form
    2,453.80/3,680.70 = 2,367.40/x
  3. Step 3: Cross multiply
    2,453.80x = 3,680.70 × 2,367.40
  4. Step 4: Simplify right side
    2,453.80x = 8,713,689.18
  5. Step 5: Solve for x
    x = 8,713,689.18/2,453.80
  6. Step 6: Final answer
    x = 3,551.10

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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.