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Finding the Fourth Proportional to 5,978.08, 8,958.90 and 3,050.23

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Solution

The fourth proportional to 5,978.08, 8,958.90 and 3,050.23 is: 4,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.08 : 8,958.90 = 3,050.23 : x
  2. Step 2: Convert to fraction form
    5,978.08/8,958.90 = 3,050.23/x
  3. Step 3: Cross multiply
    5,978.08x = 8,958.90 × 3,050.23
  4. Step 4: Simplify right side
    5,978.08x = 27,326,705.55
  5. Step 5: Solve for x
    x = 27,326,705.55/5,978.08
  6. Step 6: Final answer
    x = 4,571.15

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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.