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Finding the Fourth Proportional to 3,586.68, 5,372.73 and 3,124.98

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Solution

The fourth proportional to 3,586.68, 5,372.73 and 3,124.98 is: 4,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.68 : 5,372.73 = 3,124.98 : x
  2. Step 2: Convert to fraction form
    3,586.68/5,372.73 = 3,124.98/x
  3. Step 3: Cross multiply
    3,586.68x = 5,372.73 × 3,124.98
  4. Step 4: Simplify right side
    3,586.68x = 16,789,673.80
  5. Step 5: Solve for x
    x = 16,789,673.80/3,586.68
  6. Step 6: Final answer
    x = 4,681.12

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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.