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Finding the Fourth Proportional to 5,968.55, 8,236.14 and 3,315.53

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Solution

The fourth proportional to 5,968.55, 8,236.14 and 3,315.53 is: 4,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.55 : 8,236.14 = 3,315.53 : x
  2. Step 2: Convert to fraction form
    5,968.55/8,236.14 = 3,315.53/x
  3. Step 3: Cross multiply
    5,968.55x = 8,236.14 × 3,315.53
  4. Step 4: Simplify right side
    5,968.55x = 27,307,169.25
  5. Step 5: Solve for x
    x = 27,307,169.25/5,968.55
  6. Step 6: Final answer
    x = 4,575.18

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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.