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Finding the Fourth Proportional to 2,983.87, 4,472.16 and 1,522.23

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Solution

The fourth proportional to 2,983.87, 4,472.16 and 1,522.23 is: 2,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.87 : 4,472.16 = 1,522.23 : x
  2. Step 2: Convert to fraction form
    2,983.87/4,472.16 = 1,522.23/x
  3. Step 3: Cross multiply
    2,983.87x = 4,472.16 × 1,522.23
  4. Step 4: Simplify right side
    2,983.87x = 6,807,656.12
  5. Step 5: Solve for x
    x = 6,807,656.12/2,983.87
  6. Step 6: Final answer
    x = 2,281.49

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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.