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Finding the Fourth Proportional to 4,391.02, 6,591.16 and 4,291.86

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Solution

The fourth proportional to 4,391.02, 6,591.16 and 4,291.86 is: 6,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.02 : 6,591.16 = 4,291.86 : x
  2. Step 2: Convert to fraction form
    4,391.02/6,591.16 = 4,291.86/x
  3. Step 3: Cross multiply
    4,391.02x = 6,591.16 × 4,291.86
  4. Step 4: Simplify right side
    4,391.02x = 28,288,346.69
  5. Step 5: Solve for x
    x = 28,288,346.69/4,391.02
  6. Step 6: Final answer
    x = 6,442.33

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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.