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Finding the Fourth Proportional to 5,895.72, 8,136.06 and 3,243.24

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Solution

The fourth proportional to 5,895.72, 8,136.06 and 3,243.24 is: 4,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.72 : 8,136.06 = 3,243.24 : x
  2. Step 2: Convert to fraction form
    5,895.72/8,136.06 = 3,243.24/x
  3. Step 3: Cross multiply
    5,895.72x = 8,136.06 × 3,243.24
  4. Step 4: Simplify right side
    5,895.72x = 26,387,195.23
  5. Step 5: Solve for x
    x = 26,387,195.23/5,895.72
  6. Step 6: Final answer
    x = 4,475.65

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1.5x scale

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.