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Finding the Fourth Proportional to 8,963.46, 12,369.03 and 4,984.44

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Solution

The fourth proportional to 8,963.46, 12,369.03 and 4,984.44 is: 6,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.46 : 12,369.03 = 4,984.44 : x
  2. Step 2: Convert to fraction form
    8,963.46/12,369.03 = 4,984.44/x
  3. Step 3: Cross multiply
    8,963.46x = 12,369.03 × 4,984.44
  4. Step 4: Simplify right side
    8,963.46x = 61,652,687.89
  5. Step 5: Solve for x
    x = 61,652,687.89/8,963.46
  6. Step 6: Final answer
    x = 6,878.22

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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.