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Finding the Fourth Proportional to 3,575.78, 5,363.18 and 2,014.78

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Solution

The fourth proportional to 3,575.78, 5,363.18 and 2,014.78 is: 3,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.78 : 5,363.18 = 2,014.78 : x
  2. Step 2: Convert to fraction form
    3,575.78/5,363.18 = 2,014.78/x
  3. Step 3: Cross multiply
    3,575.78x = 5,363.18 × 2,014.78
  4. Step 4: Simplify right side
    3,575.78x = 10,805,627.80
  5. Step 5: Solve for x
    x = 10,805,627.80/3,575.78
  6. Step 6: Final answer
    x = 3,021.89

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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.