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Finding the Fourth Proportional to 6,262.18, 8,640.76 and 3,745.32

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Solution

The fourth proportional to 6,262.18, 8,640.76 and 3,745.32 is: 5,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.18 : 8,640.76 = 3,745.32 : x
  2. Step 2: Convert to fraction form
    6,262.18/8,640.76 = 3,745.32/x
  3. Step 3: Cross multiply
    6,262.18x = 8,640.76 × 3,745.32
  4. Step 4: Simplify right side
    6,262.18x = 32,362,411.24
  5. Step 5: Solve for x
    x = 32,362,411.24/6,262.18
  6. Step 6: Final answer
    x = 5,167.91

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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.