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Finding the Fourth Proportional to 6,132.88, 8,463.16 and 3,480.24

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Solution

The fourth proportional to 6,132.88, 8,463.16 and 3,480.24 is: 4,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.88 : 8,463.16 = 3,480.24 : x
  2. Step 2: Convert to fraction form
    6,132.88/8,463.16 = 3,480.24/x
  3. Step 3: Cross multiply
    6,132.88x = 8,463.16 × 3,480.24
  4. Step 4: Simplify right side
    6,132.88x = 29,453,827.96
  5. Step 5: Solve for x
    x = 29,453,827.96/6,132.88
  6. Step 6: Final answer
    x = 4,802.61

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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.