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Finding the Fourth Proportional to 4,996.79, 7,491.93 and 2,655.29

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Solution

The fourth proportional to 4,996.79, 7,491.93 and 2,655.29 is: 3,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.79 : 7,491.93 = 2,655.29 : x
  2. Step 2: Convert to fraction form
    4,996.79/7,491.93 = 2,655.29/x
  3. Step 3: Cross multiply
    4,996.79x = 7,491.93 × 2,655.29
  4. Step 4: Simplify right side
    4,996.79x = 19,893,209.35
  5. Step 5: Solve for x
    x = 19,893,209.35/4,996.79
  6. Step 6: Final answer
    x = 3,981.20

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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.