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Finding the Fourth Proportional to 8,963.68, 12,369.62 and 4,984.52

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Solution

The fourth proportional to 8,963.68, 12,369.62 and 4,984.52 is: 6,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.68 : 12,369.62 = 4,984.52 : x
  2. Step 2: Convert to fraction form
    8,963.68/12,369.62 = 4,984.52/x
  3. Step 3: Cross multiply
    8,963.68x = 12,369.62 × 4,984.52
  4. Step 4: Simplify right side
    8,963.68x = 61,656,618.28
  5. Step 5: Solve for x
    x = 61,656,618.28/8,963.68
  6. Step 6: Final answer
    x = 6,878.49

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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.