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Finding the Fourth Proportional to 3,572.57, 4,926.92 and 2,977.04

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Solution

The fourth proportional to 3,572.57, 4,926.92 and 2,977.04 is: 4,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.57 : 4,926.92 = 2,977.04 : x
  2. Step 2: Convert to fraction form
    3,572.57/4,926.92 = 2,977.04/x
  3. Step 3: Cross multiply
    3,572.57x = 4,926.92 × 2,977.04
  4. Step 4: Simplify right side
    3,572.57x = 14,667,598.40
  5. Step 5: Solve for x
    x = 14,667,598.40/3,572.57
  6. Step 6: Final answer
    x = 4,105.62

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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.