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Finding the Fourth Proportional to 7,979.01, 11,968.71 and 2,714.01

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Solution

The fourth proportional to 7,979.01, 11,968.71 and 2,714.01 is: 4,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.01 : 11,968.71 = 2,714.01 : x
  2. Step 2: Convert to fraction form
    7,979.01/11,968.71 = 2,714.01/x
  3. Step 3: Cross multiply
    7,979.01x = 11,968.71 × 2,714.01
  4. Step 4: Simplify right side
    7,979.01x = 32,483,198.63
  5. Step 5: Solve for x
    x = 32,483,198.63/7,979.01
  6. Step 6: Final answer
    x = 4,071.08

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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.