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Finding the Fourth Proportional to 5,976.08, 8,242.05 and 5,015.22

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Solution

The fourth proportional to 5,976.08, 8,242.05 and 5,015.22 is: 6,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.08 : 8,242.05 = 5,015.22 : x
  2. Step 2: Convert to fraction form
    5,976.08/8,242.05 = 5,015.22/x
  3. Step 3: Cross multiply
    5,976.08x = 8,242.05 × 5,015.22
  4. Step 4: Simplify right side
    5,976.08x = 41,335,652.79
  5. Step 5: Solve for x
    x = 41,335,652.79/5,976.08
  6. Step 6: Final answer
    x = 6,916.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.