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Finding the Fourth Proportional to 8,963.96, 13,454.13 and 4,584.48

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Solution

The fourth proportional to 8,963.96, 13,454.13 and 4,584.48 is: 6,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.96 : 13,454.13 = 4,584.48 : x
  2. Step 2: Convert to fraction form
    8,963.96/13,454.13 = 4,584.48/x
  3. Step 3: Cross multiply
    8,963.96x = 13,454.13 × 4,584.48
  4. Step 4: Simplify right side
    8,963.96x = 61,680,189.90
  5. Step 5: Solve for x
    x = 61,680,189.90/8,963.96
  6. Step 6: Final answer
    x = 6,880.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.