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Finding the Fourth Proportional to 6,467.70, 8,927.37 and 4,701.90

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Solution

The fourth proportional to 6,467.70, 8,927.37 and 4,701.90 is: 6,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.70 : 8,927.37 = 4,701.90 : x
  2. Step 2: Convert to fraction form
    6,467.70/8,927.37 = 4,701.90/x
  3. Step 3: Cross multiply
    6,467.70x = 8,927.37 × 4,701.90
  4. Step 4: Simplify right side
    6,467.70x = 41,975,601.00
  5. Step 5: Solve for x
    x = 41,975,601.00/6,467.70
  6. Step 6: Final answer
    x = 6,490.04

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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.