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Finding the Fourth Proportional to 41,159.16, 61,738.80 and 9,994.41

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Solution

The fourth proportional to 41,159.16, 61,738.80 and 9,994.41 is: 14,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,159.16 : 61,738.80 = 9,994.41 : x
  2. Step 2: Convert to fraction form
    41,159.16/61,738.80 = 9,994.41/x
  3. Step 3: Cross multiply
    41,159.16x = 61,738.80 × 9,994.41
  4. Step 4: Simplify right side
    41,159.16x = 617,042,880.11
  5. Step 5: Solve for x
    x = 617,042,880.11/41,159.16
  6. Step 6: Final answer
    x = 14,991.63

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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.