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Finding the Fourth Proportional to 12,284.41, 16,952.55 and 6,979.52

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Solution

The fourth proportional to 12,284.41, 16,952.55 and 6,979.52 is: 9,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.41 : 16,952.55 = 6,979.52 : x
  2. Step 2: Convert to fraction form
    12,284.41/16,952.55 = 6,979.52/x
  3. Step 3: Cross multiply
    12,284.41x = 16,952.55 × 6,979.52
  4. Step 4: Simplify right side
    12,284.41x = 118,320,661.78
  5. Step 5: Solve for x
    x = 118,320,661.78/12,284.41
  6. Step 6: Final answer
    x = 9,631.77

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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.