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Finding the Fourth Proportional to 5,895.61, 8,136.10 and 3,243.09

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Solution

The fourth proportional to 5,895.61, 8,136.10 and 3,243.09 is: 4,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.61 : 8,136.10 = 3,243.09 : x
  2. Step 2: Convert to fraction form
    5,895.61/8,136.10 = 3,243.09/x
  3. Step 3: Cross multiply
    5,895.61x = 8,136.10 × 3,243.09
  4. Step 4: Simplify right side
    5,895.61x = 26,386,104.55
  5. Step 5: Solve for x
    x = 26,386,104.55/5,895.61
  6. Step 6: Final answer
    x = 4,475.55

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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.