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Finding the Fourth Proportional to 14,653.78, 21,986.82 and 6,329.52

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Solution

The fourth proportional to 14,653.78, 21,986.82 and 6,329.52 is: 9,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.78 : 21,986.82 = 6,329.52 : x
  2. Step 2: Convert to fraction form
    14,653.78/21,986.82 = 6,329.52/x
  3. Step 3: Cross multiply
    14,653.78x = 21,986.82 × 6,329.52
  4. Step 4: Simplify right side
    14,653.78x = 139,166,016.93
  5. Step 5: Solve for x
    x = 139,166,016.93/14,653.78
  6. Step 6: Final answer
    x = 9,496.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.