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Finding the Fourth Proportional to 5,972.52, 8,243.18 and 3,420.26

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Solution

The fourth proportional to 5,972.52, 8,243.18 and 3,420.26 is: 4,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.52 : 8,243.18 = 3,420.26 : x
  2. Step 2: Convert to fraction form
    5,972.52/8,243.18 = 3,420.26/x
  3. Step 3: Cross multiply
    5,972.52x = 8,243.18 × 3,420.26
  4. Step 4: Simplify right side
    5,972.52x = 28,193,818.83
  5. Step 5: Solve for x
    x = 28,193,818.83/5,972.52
  6. Step 6: Final answer
    x = 4,720.59

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Double scale
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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.