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Finding the Fourth Proportional to 33,188.45, 49,792.40 and 9,815.49

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Solution

The fourth proportional to 33,188.45, 49,792.40 and 9,815.49 is: 14,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.45 : 49,792.40 = 9,815.49 : x
  2. Step 2: Convert to fraction form
    33,188.45/49,792.40 = 9,815.49/x
  3. Step 3: Cross multiply
    33,188.45x = 49,792.40 × 9,815.49
  4. Step 4: Simplify right side
    33,188.45x = 488,736,755.20
  5. Step 5: Solve for x
    x = 488,736,755.20/33,188.45
  6. Step 6: Final answer
    x = 14,726.11

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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.