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Finding the Fourth Proportional to 6,467.90, 8,923.11 and 4,077.08

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Solution

The fourth proportional to 6,467.90, 8,923.11 and 4,077.08 is: 5,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.90 : 8,923.11 = 4,077.08 : x
  2. Step 2: Convert to fraction form
    6,467.90/8,923.11 = 4,077.08/x
  3. Step 3: Cross multiply
    6,467.90x = 8,923.11 × 4,077.08
  4. Step 4: Simplify right side
    6,467.90x = 36,380,280.00
  5. Step 5: Solve for x
    x = 36,380,280.00/6,467.90
  6. Step 6: Final answer
    x = 5,624.74

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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.