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Finding the Fourth Proportional to 5,562.86, 8,350.86 and 2,278.58

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Solution

The fourth proportional to 5,562.86, 8,350.86 and 2,278.58 is: 3,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.86 : 8,350.86 = 2,278.58 : x
  2. Step 2: Convert to fraction form
    5,562.86/8,350.86 = 2,278.58/x
  3. Step 3: Cross multiply
    5,562.86x = 8,350.86 × 2,278.58
  4. Step 4: Simplify right side
    5,562.86x = 19,028,102.58
  5. Step 5: Solve for x
    x = 19,028,102.58/5,562.86
  6. Step 6: Final answer
    x = 3,420.56

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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.