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Finding the Fourth Proportional to 5,978.58, 8,959.65 and 3,050.73

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Solution

The fourth proportional to 5,978.58, 8,959.65 and 3,050.73 is: 4,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.58 : 8,959.65 = 3,050.73 : x
  2. Step 2: Convert to fraction form
    5,978.58/8,959.65 = 3,050.73/x
  3. Step 3: Cross multiply
    5,978.58x = 8,959.65 × 3,050.73
  4. Step 4: Simplify right side
    5,978.58x = 27,333,473.04
  5. Step 5: Solve for x
    x = 27,333,473.04/5,978.58
  6. Step 6: Final answer
    x = 4,571.90

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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.