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Finding the Fourth Proportional to 5,972.66, 8,236.50 and 3,955.16

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Solution

The fourth proportional to 5,972.66, 8,236.50 and 3,955.16 is: 5,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.66 : 8,236.50 = 3,955.16 : x
  2. Step 2: Convert to fraction form
    5,972.66/8,236.50 = 3,955.16/x
  3. Step 3: Cross multiply
    5,972.66x = 8,236.50 × 3,955.16
  4. Step 4: Simplify right side
    5,972.66x = 32,576,675.34
  5. Step 5: Solve for x
    x = 32,576,675.34/5,972.66
  6. Step 6: Final answer
    x = 5,454.30

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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.