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Finding the Fourth Proportional to 5,078.92, 6,993.33 and 4,445.90

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Solution

The fourth proportional to 5,078.92, 6,993.33 and 4,445.90 is: 6,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.92 : 6,993.33 = 4,445.90 : x
  2. Step 2: Convert to fraction form
    5,078.92/6,993.33 = 4,445.90/x
  3. Step 3: Cross multiply
    5,078.92x = 6,993.33 × 4,445.90
  4. Step 4: Simplify right side
    5,078.92x = 31,091,641.10
  5. Step 5: Solve for x
    x = 31,091,641.10/5,078.92
  6. Step 6: Final answer
    x = 6,121.71

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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.