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Finding the Fourth Proportional to 8,963.34, 12,369.24 and 4,984.42

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Solution

The fourth proportional to 8,963.34, 12,369.24 and 4,984.42 is: 6,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.34 : 12,369.24 = 4,984.42 : x
  2. Step 2: Convert to fraction form
    8,963.34/12,369.24 = 4,984.42/x
  3. Step 3: Cross multiply
    8,963.34x = 12,369.24 × 4,984.42
  4. Step 4: Simplify right side
    8,963.34x = 61,653,456.32
  5. Step 5: Solve for x
    x = 61,653,456.32/8,963.34
  6. Step 6: Final answer
    x = 6,878.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.