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Finding the Fourth Proportional to 6,261.65, 8,640.50 and 3,743.27

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Solution

The fourth proportional to 6,261.65, 8,640.50 and 3,743.27 is: 5,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.65 : 8,640.50 = 3,743.27 : x
  2. Step 2: Convert to fraction form
    6,261.65/8,640.50 = 3,743.27/x
  3. Step 3: Cross multiply
    6,261.65x = 8,640.50 × 3,743.27
  4. Step 4: Simplify right side
    6,261.65x = 32,343,705.72
  5. Step 5: Solve for x
    x = 32,343,705.72/6,261.65
  6. Step 6: Final answer
    x = 5,165.36

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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.