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Finding the Fourth Proportional to 2,380.88, 3,568.44 and 1,010

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Solution

The fourth proportional to 2,380.88, 3,568.44 and 1,010 is: 1,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.88 : 3,568.44 = 1,010 : x
  2. Step 2: Convert to fraction form
    2,380.88/3,568.44 = 1,010/x
  3. Step 3: Cross multiply
    2,380.88x = 3,568.44 × 1,010
  4. Step 4: Simplify right side
    2,380.88x = 3,604,124.40
  5. Step 5: Solve for x
    x = 3,604,124.40/2,380.88
  6. Step 6: Final answer
    x = 1,513.78

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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.