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Finding the Fourth Proportional to 8,963.35, 12,369.44 and 4,984.43

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Solution

The fourth proportional to 8,963.35, 12,369.44 and 4,984.43 is: 6,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.35 : 12,369.44 = 4,984.43 : x
  2. Step 2: Convert to fraction form
    8,963.35/12,369.44 = 4,984.43/x
  3. Step 3: Cross multiply
    8,963.35x = 12,369.44 × 4,984.43
  4. Step 4: Simplify right side
    8,963.35x = 61,654,530.40
  5. Step 5: Solve for x
    x = 61,654,530.40/8,963.35
  6. Step 6: Final answer
    x = 6,878.52

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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.