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Finding the Fourth Proportional to 33,188.61, 49,765.64 and 15,653.73

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Solution

The fourth proportional to 33,188.61, 49,765.64 and 15,653.73 is: 23,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.61 : 49,765.64 = 15,653.73 : x
  2. Step 2: Convert to fraction form
    33,188.61/49,765.64 = 15,653.73/x
  3. Step 3: Cross multiply
    33,188.61x = 49,765.64 × 15,653.73
  4. Step 4: Simplify right side
    33,188.61x = 779,017,813.57
  5. Step 5: Solve for x
    x = 779,017,813.57/33,188.61
  6. Step 6: Final answer
    x = 23,472.44

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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.