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Finding the Fourth Proportional to 3,652.91, 5,484.08 and 3,136.24

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Solution

The fourth proportional to 3,652.91, 5,484.08 and 3,136.24 is: 4,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.91 : 5,484.08 = 3,136.24 : x
  2. Step 2: Convert to fraction form
    3,652.91/5,484.08 = 3,136.24/x
  3. Step 3: Cross multiply
    3,652.91x = 5,484.08 × 3,136.24
  4. Step 4: Simplify right side
    3,652.91x = 17,199,391.06
  5. Step 5: Solve for x
    x = 17,199,391.06/3,652.91
  6. Step 6: Final answer
    x = 4,708.41

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1.5x scale

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.