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Finding the Fourth Proportional to 43,994.45, 65,990.97 and 10,714.46

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Solution

The fourth proportional to 43,994.45, 65,990.97 and 10,714.46 is: 16,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,994.45 : 65,990.97 = 10,714.46 : x
  2. Step 2: Convert to fraction form
    43,994.45/65,990.97 = 10,714.46/x
  3. Step 3: Cross multiply
    43,994.45x = 65,990.97 × 10,714.46
  4. Step 4: Simplify right side
    43,994.45x = 707,057,278.47
  5. Step 5: Solve for x
    x = 707,057,278.47/43,994.45
  6. Step 6: Final answer
    x = 16,071.51

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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.