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Finding the Fourth Proportional to 9,994.92, 14,991.66 and 4,446.60

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Solution

The fourth proportional to 9,994.92, 14,991.66 and 4,446.60 is: 6,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.92 : 14,991.66 = 4,446.60 : x
  2. Step 2: Convert to fraction form
    9,994.92/14,991.66 = 4,446.60/x
  3. Step 3: Cross multiply
    9,994.92x = 14,991.66 × 4,446.60
  4. Step 4: Simplify right side
    9,994.92x = 66,661,915.36
  5. Step 5: Solve for x
    x = 66,661,915.36/9,994.92
  6. Step 6: Final answer
    x = 6,669.58

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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.