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Finding the Fourth Proportional to 43,993.80, 65,990.84 and 10,714.01

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Solution

The fourth proportional to 43,993.80, 65,990.84 and 10,714.01 is: 16,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.80 : 65,990.84 = 10,714.01 : x
  2. Step 2: Convert to fraction form
    43,993.80/65,990.84 = 10,714.01/x
  3. Step 3: Cross multiply
    43,993.80x = 65,990.84 × 10,714.01
  4. Step 4: Simplify right side
    43,993.80x = 707,026,136.14
  5. Step 5: Solve for x
    x = 707,026,136.14/43,993.80
  6. Step 6: Final answer
    x = 16,071.04

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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.