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Finding the Fourth Proportional to 3,607.96, 4,979.02 and 2,036.14

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Solution

The fourth proportional to 3,607.96, 4,979.02 and 2,036.14 is: 2,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.96 : 4,979.02 = 2,036.14 : x
  2. Step 2: Convert to fraction form
    3,607.96/4,979.02 = 2,036.14/x
  3. Step 3: Cross multiply
    3,607.96x = 4,979.02 × 2,036.14
  4. Step 4: Simplify right side
    3,607.96x = 10,137,981.78
  5. Step 5: Solve for x
    x = 10,137,981.78/3,607.96
  6. Step 6: Final answer
    x = 2,809.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.