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Finding the Fourth Proportional to 6,291.99, 9,441.16 and 4,454.91

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Solution

The fourth proportional to 6,291.99, 9,441.16 and 4,454.91 is: 6,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.99 : 9,441.16 = 4,454.91 : x
  2. Step 2: Convert to fraction form
    6,291.99/9,441.16 = 4,454.91/x
  3. Step 3: Cross multiply
    6,291.99x = 9,441.16 × 4,454.91
  4. Step 4: Simplify right side
    6,291.99x = 42,059,506.96
  5. Step 5: Solve for x
    x = 42,059,506.96/6,291.99
  6. Step 6: Final answer
    x = 6,684.61

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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.